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JANOS has implemented a set of time zones that are available but in no means is this a complete list.  There are many territories in the world that either do not observe the time zone that they geographically belong to or they have different rules.  Some locations differ the time zone rules by 30 or even just 15 minutes.  Sometimes governments alter their policies and change the rules that have been in place for years or decades.

This article will describe how to create a new time zone with a DST rule as described in the JANOS Registry Documentation under section 9.2.

The clock subsystem is generally configured using the DATE command. JANOS defines a set of time zones for use in displaying local time. These time zones may or may not utilize Daylight Savings Time (DST).

As there are 24 hours on our clock one might expect that there needs to be only 24 time zones. This however is not the case as some areas offset their clocks by just 30 minutes. In addition, some areas utilize DST while others do not. The following is the default set of time zones. This can be displayed at any time using the DATE -T command.

This default list of time zones is likely incorrect for some areas across the globe. INTEG encourages users to let us know when a correction to the timezone tables might be appropriate. JANOS does provide a means by which you may define new time zones with or without DST rules. You may even correct an existing timezone. This is accomplished using one or more Time zones/<name> Registry entries.

Use of a website like timeanddate.com is very helpful for the validation and creation of time zones.

Here I will show you how to create a new Time Zone for Aukland New Zealand.  Timeanddate.com gives us all the information we need in this screenshot.

We see that they are currently observing Daylight Savings Time and will be throughout the beginning of next year since New Zealand is in the Southern Hemisphere.  So now we can follow the following format to build a registry key for the new time zone we will create.

reg Timezones/<name> = <offset>, <desc>, <AbbStd> [, <AbbDst>,
       <stMon>, <stDay>, <stDoW>, <stTime>,
       <endMon>, <endDay>, <endDoW>, <endTime>, <dstOfs>]

We will need to use the full format in order to get the daylight savings time rules implemented. To do this we can enter the following at the command line.

reg timezones/NewZealand = "+1200, New Zealand/Aukland, NZST, NZDT, 
       SEP, 27, SUN, 200, 
       APR, 5, SUN, 200, 60"

The registry tab could also have been used to create the key. That would look like this…

In either case we get the same result. We can now issue the date -t command to see our newly created time zone.

A reboot is needed to complete the registration of our newly created time zone.  After the reboot there is only one more thing to do.  Tell the JNIOR to use it.  For example, date NZST.

There you go!  The new time zone has been created and the JNIOR is now using it.  As mentioned above, it is recommended to tell INTEG of missing or incorrect time zones so that we can put it in the JNIOR but creating a custom time zone will get your JNIOR to start using the new rules immediately. 

As always, thanks for using the JNIOR!

Serial Control Plus is an application that comes pre-installed on all JNIORs. It allows you to connect either serially or through TCP to a JNIOR, and give it commands to activate the JNIOR’s I/O. This post will explain how to setup and use Serial Control Plus on your JNIOR.

As mentioned before Serial Control Plus is already pre-installed on all JNIORs. To activate it, you need to go to the JNIOR DCP. This can be accessed by either right clicking the JNIOR in the JNIOR Support Tool and going to Tools/Open Web Page, or by typing the JNIOR’s IP address into the URL of your computer’s web browser. Once on the DCP, you’ll go to the applications section on the configuration tab and click the checkbox next to Serial Control Plus and reboot your JNIOR. This will allow you to use Serial Control Plus on that JNIOR.

Once you have activated the Serial Control Plus application on your JNIOR, you can now send commands to the JNIOR through it. We are going to open the command line from the support tool to activate commands on this JNIOR for this example. To open the command line from the Support Tool, you’ll go to the Tools bar at the top of the Support Tool and select Command Line.

Once you have the command line open, you’ll need to configure the settings of the command line to send commands to the JNIOR. To have the right settings to communicate with the JNIOR, we need to select how we communicate to the JNIOR. Serial Control Plus can communicate with the JNIOR two ways. Either you can connect to the JNIOR with a serial connection or a TCP connection.

To connect serially with the JNIOR, you need to plug a serial cable into the Aux Port of the JNIOR. Once you do that we need to select the correct settings in the command line window. As in the picture below, next to the connect button for the connection type you’ll select COM, baud type is 9600, Data bits is 8, Stop bits is 1, Parity is none, and hardware/software is set to none. For the Option drop-down, select all the choices.

To connect through TCP, you just need the JNIOR to be on the network to connect. As in the picture below next to the connect button for the connection type you’ll select TCP/IP, you’ll set the JNIOR’s IP, and the Port to connect on is 9202. For the Option drop-down, select all the choices.

Once you’ve decided on your connection type and configured the command line accordingly, you should be able to send commands to the JNIOR. Here are commands for controlling and monitoring I/O.

Controlling I/O

The following commands can be used to close, open and pulse outputs.

cX: Close the output (relay is “on” closing the contact)
where x = 1 through 8 for the internal relay outputs on the JNIOR
and x = +1 through +8 for the external relay outputs on the 4 Relay Output Expansion Modules

oX: Open the output (relay is “off” opening the contact)
where x = 1 through 8 for the internal relay outputs on the JNIOR
and x = +1 through +8 for the external relay outputs on the 4 Relay Output Expansion Modules

p=yyy Pulse duration (milliseconds) and is used in conjunction with the ‘close’ or ‘open’ command


Examples:
c2p=1000 close output 2 for 1 second and then open again
c+2p=1000 close output 10 for 1 second and then open again
o3p=10000 open output 3 for 10 seconds and then close again
c* Close all outputs at the same time (includes internal and external)
o* Open all outputs at the same time (includes internal and external)


These commands can be abbreviated and used in combination, such as:
c1 close relay output 1
c+1 close relay output 9 (first output on first expansion module)
c+5 close relay output 13 (first output on second expansion module)
c1+1+5 combination of the above all in one command
c1234 close relay outputs 1 through 4
c1368 close relay outputs 1, 3, 6, 8
o125 open relay outputs 1, 2, 5
c1+1p=1000 close relay outputs 1, 9 and pulse each for 1 second simultaneously

Monitoring I/O

Whenever an input (or output) changes status (low-to-high or high-to-low), the following is sent out by the JNIOR:

INx=1 Input x (1 – 8) has gone high (on)
OUTx=1 Output x (1 – 16) has gone high (on)
INx=0 Input x (1 – 8) has gone low (off)
OUTx=1 Output x (1 – 16) has gone low (off)


The default setting for the Registry Key AppData/Serial_Control/SendCounts is false. If you change this key to true and reboot, with each message stating the input status, a count value will also be included. Whenever an input changes status (low-to-high or high-to-low), the following is sent out by the JNIOR:

INx=1,yyy Input x (1 – 8) has gone high (on), counter value = yyy
INx=0,yyy Input x (1 – 8) has gone low (off), counter value = yyy


Note: These monitoring messages are sent out individually over the serial port or Ethernet. The JNIOR does not report the status of more than one input/counter in the same message.

With this, you should now be able to use Serial Control Plus to control and monitor a JNIOR’s I/O!

The series 3 JNIORs used the Java Applet as a GUI. Years ago the browsers stopped supporting Java Applets due to security concerns. You are no longer able to open the series 3 Java Applet GUI in most browsers. You can still access it by launching it locally since it is installed as part of the JNIOR Support Tool. The security concerns over java applets are not present when launching the Java Application locally. Here is how to access the Java Applet for a JNIOR.

NOTE: The Java Applet GUI should only be used with series 3 JNIORs.

First, make sure you have the JNIOR support tool downloaded. Here is a link for it.

Name Version Release Date Size MD5
JNIOR Support Tool v7.10 Jul 15 2020 13 MB 4fd5a1b0617a59a7f6802663ec3f789e

Once you have downloaded the Support Tool, you’ll want to open it and find the JNIOR you wish to access the Java Applet for in the Beacon tab. Then by right clicking it, you’ll then go to Tools/Classic Monitor, Configuration, Control Application option and select it.

After selecting this for, the Java Applet for your JNIOR should open.

Leaving any device set with a factory Username and Password is a big security risk. The JNIOR comes with two factory Administrator accounts. The usernames jnior and admin both have administrative privileges.

It is recommended that the users be modified on the JNIORs to secure them. This is vital for units that are on the open network and have public access. Public access does not mean that they are supposed to be open to the public but rather that they are accessible from anywhere.

List the Users

To see the current users and their privileges, you will use the users command. This command will show you the usernames, their assigned user id and the privileges that they possess.

Change the password for the current user

The simplest change that you can make to secure your unit is to change the password of one of the factory administrator accounts. To do this you will log in to the one you want to change and use the passwd command. You will be prompted for the current password and then twice for the new password. The password requirement is very relaxed but you are encouraged to create a strong password.

Create a new user

We need to create a new administrator account so that we can disable the factory users. Using the useradd command with the -a option will create a new user with administrator privileges. You will be prompted for the new password twice. The password requirement is very relaxed but you are encouraged to create a strong password. After the user is created you can execute the users command again to see the results.

Disable the Admin account

To disable an account you will use the usermod command. This command modifies the privileges for the given user. To disable the admin account you will type usermod +d admin. Then you can execute the users command again to see the result.

Change the current user

After creating the new user you will want to switch to it so that modifications can be made to the user account that was logged in while the new user was created. You will do this by closing the command line connection. This will log you out from the current user. Then reconnect using the new user and the new credentials. You can see what the current user account is by using the whoami command. Next, you can then modify the privileges of the user that was used to create the new account.

Things to watch out for

You MUST have at least one admin account on the JNIOR. If you try to do so, you will simply be told that you cannot remove that user.

You also cannot remove admin privileges from the user that you are logged in as while performing that operation. If you try to do that you will be told that you cannot alter the current account.

Some Series 3 are not up to date enough to appear in beacon, which can make it very confusing to update to a new version in the Support Tool. Here is how to update a JNIOR that isn’t showing in the Support Tool.

The first thing you’ll want to do is make sure that you have the support tool downloaded from INTEG’s website. Here is the link to download the support tool. You’ll also want the newest all-in-one update project for the Series 3, which will include the newest version of the OS inside of it. The Series 3 all-in-one is located here.

Once you have both of those downloaded, you’ll want to open the support tool and go to the update tab.

Once you are at the update tab, you want’ll to click the open project button and select the series 3 all-in-one update project you downloaded earlier and open it in the update tab.

Now that the all-in-one is uploaded to the update tab, we want to publish it to the JNIOR. Click the Publish button and a dialog will appear to select JNIOR’s from Beacon to update. The issue here would be that the JNIOR you need to update won’t appear since its version doesn’t have beacon. What to do instead is to type the IP of the JNIOR in the space provided.

Once you have typed the JNIOR’s IP into the IP space provided, click OK and the JNIOR should begin to update. Afterwards, it should now appear in beacon.

Either when using a certain custom application, or creating one on your own, there may be a want to set an application when a JNIOR turns on. Many applications people use have this functionality, like Cinema. Here is the process for setting an application to run on boot.

NOTE: Before you can set the run key, you have to make sure that the application is installed on your JNIOR. If you are installing a custom application not in an update project, when adding the application to the JNIOR you should place the file in the flash folder since not only is that where we reference the program in this example, but its where applications on the JNIOR are kept when they are loaded on through update projects. So if you are installing an update project, the file will automatically be placed in the flash folder.

The way to make a project start on boot is by creating a registry key in the run registry of the JNIOR you want the application to be on. To access the registry of a JNIOR, you need to either open the support tool and right click a JNIOR to open a web page, or type the JNIOR’s IP address into a web browser URL.

Once you are on the JNIOR’s webpage, you’ll want to click onto the Registry tab. Going through the registry, you’ll want to find the run registry, and there you will create a new registry key for your application.

Once you are in the run registry folder, you’ll click new at the top left which will display the following dialog box.

In the key section you’ll want to type the name of your application so it will look like run/(application name). In the content section, you’ll want to enter the line flash/(application name).jar. This will make it so that when you boot your JNIOR, application will appear in your flash folder along with other applications.

For example, if we had an application called ExampleProgram that we wanted to run on boot we would enter in the key field ExampleProgram so it would look like run/ExampleProgram. Then in the content field, you’d enter flash/exampleprogram.jar, since that is where we placed the application previously.

The application won’t start running after that registry key is set, you’ll have to reboot after to get it to start. Once that registry key is created though, anytime the JNIOR reboots the application will launch when the JNIOR loads back up!

When using protocols with a JNIOR, you can disable the login to not be prompted when using those protocols through the DCP. This is NOT RECOMMENDED because its makes the JNIOR unsecured.

To disable the login requirement for the JANOS Management Protocol or the JNIOR Protocol you will use the DCP. Once the web page is opened click on the Configuration tab. Then click on the Protocol section near the bottom of the column on the left. Now make your login selections using the checkboxes under the appropriate protocol.

Once you un-check that box, the login will no longer be needed for ANY connection to that port.

The help command can be used in the console to show help for whatever commands you can give in the console.

To use the help command, you type help (command name). You can also type help * to see the help description for every command available, in alphabetical order.

The PS command allows you to view all application running and a process number next to it. This is useful to view if applications are running on start up, or if you have to manual start them. You can also type ps -v to get more detailed information on the processes running.

The KILL Command allows you to terminate a program running from your list of processes. To kill a process on your JNIOR, you’ll type kill (process number) or kill(process name). This is useful to stop program from running on your JNIOR, without rebooting. The example below stops analog presets from running because its process number is 3.

The Extern Command is used to help you see and/or remove modules that you have setup to use with your JNIOR.

Typing Extern into the Console on the JNIOR Web Page will display all currently configured modules on your JNIOR, as shown below.

You can also use the extern -r command to remove whatever modules you currently have connected to your JNIOR, as shown below. The first line returned from the extern command is what you get when a module is plugged in. The second line from the extern command is what you see when its not plugged in, notice that the configuration has not been removed even though the module has been unplugged. The last line after the extern -r command removes the configuration that was still there, letting you replug the same module or a different one.

If you receive this error after establishing a serial connection, its because the operating system detected an error in the flash file system on boot. The flash was not mounted to protect the file system from any further damage.

To resolve this issue we need to reformat the flash. You can follow the steps below to reformat the flash and reload the unit. If you need to save any files out of flash we can temporarily mount it. If you don’t then you can skip to step 3.

1. jrflash -z

This will force the operating system to mount the flash temporarily so that you can recover any needed files. The macro and devices files should also be in RAM at the root of the filesystem.

2. FTP

You can use FTP to recover any files from the flash file system. Applications will be loaded using the update packages from the website. Files may or may not be available depending on where the corruption is in the filesystem structure.

3. jrflash -f

This will reformat the flash filesystem. Everything will be lost.

4. Run the 1.8 All In One

This will reload all of the files that are loaded when we ship the unit.

5. Run any additional update projects to get the applications running that you depend on.

6. FTP

Use FTP to restore any files that you saved in step 2.

The procedure above will get the unit running again. If you need any additional help or questions, just let us know!

Analog Presets is an application that lets you control and automate expansion modules such as 4-20ma Module, the 10v Module, or the 3 channel LED module. To get started, you’ll want to download the analog presets application from the all downloads page on integpg.com. After updating your JNIOR with the application, you’ll want to go to the URL containing the IP of your JNIOR with /analogpresets after it to access the application on your JNIOR. Here you can add levels containing different commands you want to create for your modules. You can name the command, what you want it to do, how long it should last, and if you want other commands to start once it starts or finishes. You can also use these as macros by defining a port number and termination string on the general tab.

To send a macro to the analog presets application, first we’ll configure the analog presets application. Here is an example using the 3 Channel LED Dimmer. We’ll start by adding a new level at the bottom middle of the first tab in analog presets, and giving it a name. (For this example we named ours MacroTest) Once that is added, we’ll want to go to setting level and add the brightness of each output we want set. For this example, since the 3 Channel LED Dimmer has 3 outputs, we’ll set each of them to 100 by typing in the field 100,100,100. We’ll also want to go the 3 Channel LED Output Channel field and type 1,2,3 to represent the channels we want to set the brightness of. If in the setting level field we set the brightness to 50,75,100, and the 3 Channel LED Output Channel was still 1,2,3, then channel 1’s brightness would 50, 2’s would be 75, and 3’s would be 100. For this example though, we’ll set them all to 100. If you have the 3 Channel LED Dimmer plugged into your JNIOR and the 3 Channel LED Output Channel field is still grayed out, then reboot your JNIOR and it then should be configurable.

We’ll then click on the General tab of the Analog Presets application. Here we can set the TCP port that the macro will send to. (In this example we have 9700) Make sure the Termination string is \r\n.

After that you’ll need the cinema application. You’ll download the Cinema.jar application and using the update tab in the support tool load it onto your JNIOR. Once its on your JNIOR, we’ll want to go to the support tool and create a device in the device tab. We need to do this so that the macro will know what information to send. At the bottom of the Device tab, click add Device. From there, we’ll want to name our device (You can name it anything), set the device type to RAW ETHERNET, set the IP Address to the JNIOR you are using, and the port number to the one you set above in the analog presets application. (Mine for this example is 9700).

Once you have set this up, you’ll want to click “publish to JNIOR” and it will prompt you to save the device configuration as a file. Once this is done, select the JNIOR you are using as the one to publish to. Once its published, you’ll then go to the Macro tab. The first thing we’ll do here is click “link devices”, and select the device file we previously created. After this we will go to the Action view and add a new action. Here you’ll name your action (It can have any name), the device we’ll set the to the one we previously created, the action should be send, and the data should be formatted as follows:

trigger “Name of level from analog presets application”\r\n.

Once this is done, we will then add a Macro in the Macro view. First we name the macro and then we can add the action to this macro, by selecting the Macro we created, the action we created, and then clicking <- button.

Once you have done this, you’ll want to click “publish to JNIOR” like we did previously for the device tab, and create a macro file. Once that is created select the JNIOR you are using as the one to publish to. Now to test this, we’ll want to go to the tools tab of the support tool and click command line.

Once the command line is open, we need to configure the command line to create the right connection, at the bottom of the command line we’ll set the values to our IP and then the TcpPort value in our JNIOR’s Registry. You’d find this by opening the JNIOR’s web page in beacon, and then after going to the registry tab look for the path: AppData/Cinema/CinemaServerClient/TcpPort

Make sure that the value is not -1 like it is above. If it is, change that registry key. (An example value to change it to is 5000). Once you find this value, set it as the port number next to the IP address at the bottom your command line. The IP address should be the one your JNIOR has.

Also, go the options drop down list and check each option.

Now all you should have to do is click the connect button at the bottom right and type:

run “Name of macro from support tool”

This will run the macro you wanted to send to the 3 Channel LED Dimmer!

To monitor the environment you will need 3 things. First, either the envrionmental sensor or the Rugged External Temperature Sensor. Second, the Tasker application that will read that sensor and log the values. Third, the Grapher application to graph the data logged from Tasker.

INTEG resells an environmental sensor from Embedded Data Systems. The sensor itself wont work directly with the JNIOR until it is wired. They have several different models that provide different environmental metrics. Temperature and humidity have been the consistent requests. INTEG also sells a rugged external sensor that tracks just temperature.

NOTE: Only the Environmental Sensor records humidity.

Set Up

The first thing to check when setting up is the sensor module you connect to the JNIOR. In the Console Tab of the JNIOR Web Tool, commands you can use to see what sensor is connected are the extern command to tell you what modules you have connected, and the extern -r command to remove a module on your device that is no longer connected. To tell which sensor module you have connected, look at the ID of the device from the extern command. If it ends with 7E its the Humidity Sensor, if its 28 its the Rugged External Temperature sensor.

After that, you’ll want to make sure that you have the applications to graph the data logged.

Name Version Release Date Size MD5
Tasker v3.3 Jul 30 2020 1 MB 5783b3bda071222b48775e5ffb9e4b3d
Grapher v4.1 Jun 18 2020 788 KB 75e992513636e0c45c7aa7f71d8c1303

You’ll want to do an update project one at a time, publishing these to the JNIOR you have the sensor connected to. After that, to get to the Grapher application, you can either type (JNIOR’s IP)/Grapher into the URL or you can select it under the tools tab of Tasker to take you to the application. There you can create the graph to monitor your Temperature. 

Once on the Grapher application page, you’ll want to go to the Grapher Configuration page to enter settings for creating a graph. To start, you can go down to the Graphs section and add a graph.

At the top, you can define the directory path of the file you want monitored, but keep in mind whatever path and file name is set here should match what you set in the Tasker application. The column values represent the different data points that can be pulled from Log that will be created in Tasker. The Date format can be set to MM-DD-YY HH:mm:ss.SSS. The file count is specified to how many files you want added. After setting this, you can configure the chart data described below that will be monitored for the graph.

Here you can create the chart name, and then set the range of the chart and also the time range being charted. Below that you can create the lines that go into the graph that are tracked. You can add their names, what the units they are measured in are called, and the color of the line. Once this is all set you’ll now want to open the Tasker application by typing in the URL (JNIOR’s IP)/tasker, or by clicking the link for it from the JNIOR Web Page in the applications section of the configure tab.

In the Tasker application, the first thing we’ll want to do is create a Logger using the Logger Tab. Once on the Logger Tab of Tasker, clicking the “add Logger” button will create an empty Logger in the Logger Tab, which you can name. This is where the file will be create that Grapher pulls the data from to graph.

Like in the picture above, you’ll want to set the log file path. The one in the example is called temps-{{date(YYMMDD)}}.csv, just like the one named in the file section in Grapher of this example. (The date.format part of the file name auto inputs the date when creating the file). The columns are defined as separate values that will act as the lines we created in the graph section of Grapher.

For how the column values work, the double squiggly brackets and comma between each value are needed to separate each value. The env_ is what you have to preface each value with in the text if you are using the environmental sensor. Otherwise you’ll use temp to preface each value for the rugged external temperature sensor. The “.fahrenheit” has to be replaced with “.celsius”, “.humidity”, or each words first letter like “.f”, “.c”, or “.h” depending on what type of value you are trying to monitor. The number surrounded by brackets represents which module is getting that value so if you only have on module you’d label every bracket with a 1. An example of the column values from Grapher would be {temp[1].fahrenheit}}, {{temp[1].celsius}}. (These values would get the temperature in Celsius and Fahrenheit from a Rugged External temperature sensor you have plugged in.)

After defining the values for the Logger in Tasker, we’ll now want to create a Task in the Task Tab of Tasker. Once in the Task Tab, we’ll select the “add Task” button. This will add an empty Task to Tasker that you can name. Once we do that, we’ll want to selcet the “add Action” button to add an action to the Task to run the Logger we just created. In the action submenu we’ll want to select the Force Log Profile action. Once its added, we’ll enter the Logger name we created earlier to the action so it’ll run that Logger every time the Task runs.

Once that is done, we’ll now add a schedule that runs every two minutes so the graph is constantly getting more data every two minutes.

Going to the schedule Tab, we’ll click the “add Schedule” button to add an empty schedule to Tasker. We’ll then select the “add Rule” button to open the rule submenu. Here we’ll set the Schedule to run every two minutes, every day, from Midnight to Midnight like shown in the picture below. We’ll also set the schedule to run the Task that activates Logger to every two minutes.

Once this is all set up, going back to the Grapher application should now give you a graph of the logged temperatures!

Sometimes an application wont run on a JNIOR Series 3 unit.  This issue may be due to “insufficient heap“.

This error message means that there was not enough contiguous space in “heap” or the SRAM memory for the application.  The application must find contiguous memory of at least the file size of the application.  Once the application finds that space it will stay in that same space until the application is updated.  The memory can become fragmented over time since the SRAM is used for application executables, application memory and the root file system.

Most likely this error condition will occur after updating to a new version of an application.  If the new application is larger than the old application it cannot occupy the same contiguous block in memory.  It must find a new contiguous block.  That space may not be available depending on the fragmentation of the memory. Even if there is a contiguous block of memory large enough when the file is updated, it still might give you an “insufficient heap” error. This might happen because until its run as an executable, the file doesn’t know it needs to be stored as contiguous space and fragment its memory anyways, which would then cause the error.

The fragmentation is caused by file blocks that have become scattered throughout memory over time.  To clear up the fragmentation we could delete a file at a time until a contiguous block has become available.  This would be a very slow approach.  You would not know which file gives you the best chance of finding a contiguous block.  Since the root of the file system contains mostly log files we can just clear the heap on a reboot.  In order to that we execute the reboot -a command.

What about my cinema devices and macros files?

The cinema files are automatically backed up to flash/cinema_backup.  This location is not affected by the reboot -a.  The cinema files will be restored next time cinema runs.

The reboot command is used to restart the JNIOR. When a reboot is called on a JNIOR it kills all the applications its running, and then if any have a run key, those applications boot back up once its restarted. It will also disconnect and reconnect all connections on a JNIOR.The reboot command has multiple options along with it.

The first one is -A which cleans system and heap memory on reboot.

-F will not prompt a confirmation and immediately do a reboot of the JNIOR.

There is also a another command for a reboot that will not appear in the help command of reboot. If you type -eraseall with reboot, it will factory restart a JNIOR deleting any information that wasn’t already on them when they were first received.

A normal reboot usually fixes a lot of temporary problems the JNIOR is confronting. The -eraseall command should be used with lots of caution, as you lose everything you’ve done on the JNIOR since its been received. The reboot -eraseall is only for series 4 JNIORs.

The following information describes how to use the JNIOR to capture data on the Ethernet network and the JNIOR Serial ports. Capturing the data can be a great troubleshooting technique for communicating with various devices.

The Netstat command on the JNIOR Series 4 has multiple functions and some of them are very helpful when trying to troubleshoot a network connection via the Ethernet network.

The standard Netstat command will list all the TCP ports that are listening on the JNIOR and indicate any connections made.

Typing help netstat will show all the different options you can use with netstat.

The -C, -R, and -F options are great for getting, resetting, and filtering a file of the packets being sent on the TCP ports. This file can opened in wireshark so you can better view the information being sent back and forth on each port.

A series 3 JNIOR has a limited amount of flash memory. The update can fail because the the flash is close to being full. There are many files that are loaded on the JNIOR that are not being used.

To get this unit to succeed we will remove files from the flash filesystem. Since the JAVA Applets can no longer be loaded in a browser. This article, https://www.theverge.com/2016/1/28/10858250/oracle-java-plugin-deprecation-jdk-9, explains why browsers stopped supporting the JAVA Applet technology.

Since the Applets can no longer be loaded in a browser there is no reason to keep them in flash so that the web server has access to them. You can safely remove the flash/www contents. You can use the latest Series 3 All-In-One to accomplish this.

Once files have been removed, reboot the JNIOR. Once the JNIOR has booted, try the update project again. If the flash filesystem space was the issue then the update should now work!

Sometimes you need to find out what the IP Address of the JNIOR is that is sitting on your network.  Sometimes someone else set it up and are no longer working with you or maybe you programmed it but years have passed and you haven’t needed to access the JNIOR because it is performing its job and no attention has been needed.

There are a couple of different ways to find out the IP Address.

By far the easiest way to find the JNIOR IP Address is the use the JNIOR Support Tool.  The JNIOR Support Tool only works on Windows systems.  http://jnior.com/category/news/support-tool/ will have links to the latest, as well as previous, versions of the JNIOR Support Tool.  Once loaded and started you will be presented with the Beacon tab.  The Beacon tab will show all the JNIORs that are present on your LOCAL network that have reported.  When the Support Tool launches a broadcast is sent out asking for all the JNIORs to report their information.  Some network configurations can either help or hinder this operation.  In most cases it works as intended.  Here is a picture of the Beacon screen.  If you have more than one JNIOR shown you can use the Serial Number of the JNIOR to identify which row corresponds to your unit or you can use the identify feature to pulsate the amber LED next to the power indicator.  To perform that function you can right click on a row and select either Query | Identify or Configure | Identify from the menu.

The other way to determine the IP Address of a unit is to directly connect a serial cable to the RS-232 port.  Computers do not come with serial ports anymore so a USB to Serial adapter will be needed.  You can find them at Amazon.  Once the cable is connected, select your favorite terminal application or use the Command Line application included with the Support Tool.  The serial settings must be 115200, 8, 1, none for the baud rate, data bits, stop bits and parity respectively.  Now that the connection is set up you can press enter and the login prompt will be presented.  The default credentials are username: jnior and password : jnior.  You can now enter ipconfig to see the current network setup.

 

 

 

 

 

 

 

 

Lastly, for those who know Morse code, you can unplug the network cable and the status LED will flash Morse code representing the value of the last octet.  You must know the first 3 octets of your network.

    0 --- --- --- --- ---
    1 - --- --- --- ---
    2 - - --- --- ---
    3 - - - --- ---
    4 - - - - ---
    5 - - - - -
    6 --- - - - -
    7 --- --- - - -
    8 --- --- --- - -
    9 --- --- --- --- -

ZIP is an alias for the JAR command. The JAR command gives you the ability to check and extract files from a file collection. JAR and ZIP files are of the same format. JANOS uses JAR files for Java programs which are collections of class files best handled as a group. This is the HELP for the command:

JAR filespec [pattern]

Options:
 -C             Check integrity
 -T             Lists library contents
 -X             Extracts library contents
 -V             Verbose

List/Extract files from a ZIP/JAR library.
Aliases: JAR, ZIP

Even though JAR collections store content generally in a compressed format the files can be quite large. If you ever question the integrity of a JAR/ZIP file you can use this command to verify it. Remember that you can also use the MANIFEST command to verify a file’s checksum.

bruce_dev /> jar -c flash/jAccess.jar                  
 4 entries found
 content verifies!
bruce_dev /> 

bruce_dev /> jar -cv flash/jAccess.jar
  verifying: META-INF/
  verifying: META-INF/MANIFEST.MF
  verifying: jaccess/
  verifying: jaccess/JAccess.class
 4 entries found
 content verifies!
bruce_dev />

You can see that the -V verbose option enumerates the entries as they are verified.

The -T option displays the table of entries in the collection. Recently with JANOS v1.6.3 we have enhanced this listing. Here is an example with and without the verbose option.

bruce_dev /> jar -t flash/jAccess.jar
META-INF/MANIFEST.MF
jaccess/JAccess.class

bruce_dev /> jar -tv flash/jAccess.jar
     Size   Packed          CRC32        Modified
      227      227    0%  6180ffe5  Jan 30 2017 14:40  META-INF/MANIFEST.MF
     4143     4143    0%  639ebba5  Jan 30 2017 14:40  jaccess/JAccess.class

bruce_dev />

Recently I have been interested in implementing DEFLATE compression. The existing JAR/ZIP command in JANOS has been able to decompress DEFLATE (inflate?) for years. We just haven’t had a strong need for creating or modifying an archive on the JNIOR. Beginning with JANOS v1.6.4 which is now in Beta there will be some new capabilities involving DEFLATE.

New to v1.6.4 is a greatly improved JAR/ZIP command that not only can list or test an archive but that can create, update and even freshen them. This would be useful for those who need to retain log files for extended periods of time. The jniorsys.log file compresses some 80% for example. The available command options are as follows:

ZIP libraryfile [filespec]...

Options:
 -V             Verify archive
 -T             List contents
 -X             Extracts contents
 -C             Create new archive
 -U             Update archive
 -F             Freshen archive
 -S,-R          Recurse folders
 -L             Verbose format

List/Add/Extract files from a ZIP/JAR library.
Aliases: JAR, ZIP

Some options have been reassigned. For instance the -V option now implies (V)erify as opposed to (V)erbose as it has been previously. Hopefully those changes will not cause difficulties. It was our opinion that the JAR/ZIP command in the past was relatively obscure and unused.

With this new implementation one or more file specifications inclusive of wildcards may be specified when appropriate. Recursion through the directory/folder structure is now not assumed. You must use the -S (or -R alias) option for that. Relative paths in the archive are maintained and created as you might expect. I will provide some examples.

The root on my JNIOR contains a few typical files.

bruce_dev /> dir -l
total 10
drwxrwxrwx   1 root      root           8 Jan 25 14:21 .
drwxrwxrwx   1 root      root           8 Jan 25 14:21 ..
dr-xr-xr-x   1 root      root           1 Dec 31 1999  etc
drwxr-xr-x   1 root      root          59 Jan 25 14:21 flash
drwxrwxrwx   1 root      root           0 Jan 25 13:26 temp
-rw-r--r--   1 root      root       37994 Jan 25 14:21 jniorsys.log
-rw-r--r--   1 jnior     root       22280 Jan 25 14:21 manifest.json
-rw-r--r--   1 root      root         953 Jan 25 14:12 jniorboot.log
-rw-r--r--   1 root      root        1002 Jan 25 13:37 jniorboot.log.bak
-rw-r--r--   1 root      root       35938 Jan 25 09:16 web.log
  1853.9 KB available

bruce_dev />

I can now create an archive of these files using the ZIP command. I can use JAR as it is the very same command. It is just an alias. I tend to use the command name appropriate to the archive I am working with. If I am creating a ZIP I use the ZIP command but there is no particular requirement to do so.

bruce_dev /> zip -c test.zip /
 5 files saved
bruce_dev /> 

bruce_dev /> zip test.zip
     Size   Packed          CRC32        Modified
    37994     7545   80%  bce2daff  Jan 25 2018 14:21  jniorsys.log
    35938     5797   84%  d393e4a3  Jan 25 2018 09:16  web.log
     1002      472   53%  afae59c3  Jan 25 2018 13:37  jniorboot.log.bak
      953      458   52%  b473efb0  Jan 25 2018 14:12  jniorboot.log
    22280    10086   55%  06c9451f  Jan 25 2018 14:21  manifest.json
 5 files listed
bruce_dev />

Here I specified the root folder. No wildcard was needed since that is a folder and it assumes in that case that I mean all of the contents. When the command is issued without option and verbose listing is assumed.

Note that the compression ratios are reasonable even though I have made some trade-offs in the interest of speed. The verbose output can provide interesting information. For example here is the same archive creation with the long/verbose output.

bruce_dev /> zip -cl test.zip /
  deflate: /jniorsys.log (37994 bytes)
   saving: jniorsys.log (compressed 80.1%) 0.758 secs
  deflate: /web.log (35938 bytes)
   saving: web.log (compressed 83.9%) 0.547 secs
  deflate: /jniorboot.log.bak (1002 bytes)
   saving: jniorboot.log.bak (compressed 52.9%) 0.044 secs
  deflate: /jniorboot.log (953 bytes)
   saving: jniorboot.log (compressed 51.9%) 0.044 secs
  deflate: /manifest.json (22280 bytes)
   saving: manifest.json (compressed 54.7%) 1.851 secs
 5 files saved
bruce_dev />

Keep in mind when you consider timing that the JNIOR runs on a 100 MHz 32-bit micro-controller and not a multi-core GHz processor.

The (U)date option (-U) allows you to add or replace files in the archive. For example:

bruce_dev /> zip -us test.zip *.ini *.bat
 4 files saved
bruce_dev /> 

bruce_dev /> zip test.zip
     Size   Packed          CRC32        Modified
    37994     7545   80%  bce2daff  Jan 25 2018 14:21  jniorsys.log
    35938     5797   84%  d393e4a3  Jan 25 2018 09:16  web.log
     1002      472   53%  afae59c3  Jan 25 2018 13:37  jniorboot.log.bak
      953      458   52%  b473efb0  Jan 25 2018 14:12  jniorboot.log
    22280    10086   55%  06c9451f  Jan 25 2018 14:21  manifest.json
     4311      913   79%  36a57579  Jun 08 2015 12:47  flash/task.ini
     5449     2014   63%  88996b53  Jan 23 2018 08:33  flash/jnior.ini
       56       56    0%  3b661614  Jul 10 2015 08:54  flash/clean.bat
       17       17    0%  6a11f77a  Jun 30 2015 15:17  flash/dirs.bat
 9 files listed
bruce_dev />

Here I have added any INI and BAT files present on the JNIOR.

Yes, the JNIOR can do BAT batch files. These are not scripting files like you may know from MSDOS but still useful. For example I do a lot of testing on my development JNIOR and that ends up creating error files and sometimes dump files. My clean.bat file creates a CLEAN command that removes any errors.log or dump.log file. It also resets the attention flag using the STATS command.

bruce_dev /> cat flash/clean.bat    
@rm errors.log
@rm dump.log
@stats -a
@echo Cleaned

bruce_dev />

If you are concerned that an archive may not have transferred to the JNIOR properly, you can use the (V)erify (-V) option. Here are both the normal and verbose versions of the command.

bruce_dev /> zip -v test.zip
 9 entries found - content verifies!
bruce_dev /> 

bruce_dev /> zip -vl test.zip
  verifying: jniorsys.log (compressed)
  verifying: web.log (compressed)
  verifying: jniorboot.log.bak (compressed)
  verifying: jniorboot.log (compressed)
  verifying: manifest.json (compressed)
  verifying: flash/task.ini (compressed)
  verifying: flash/jnior.ini (compressed)
  verifying: flash/clean.bat
  verifying: flash/dirs.bat
 9 entries found - content verifies!
bruce_dev />

Note that beginning with v1.6.4 this verification not only check file integrity but decompresses the entries and verifies CRC32 checksums.

Here we see that JAR files can also be processed (regardless of command name).

CODE: SELECT ALL

bruce_dev /> zip -v flash/ModbusServer.jar
 42 entries found - content verifies!
bruce_dev /> 

bruce_dev /> jar -vl flash/ModbusServer.jar
  verifying: META-INF/
  verifying: META-INF/MANIFEST.MF (compressed)
  verifying: appinfo.ini (compressed)
  verifying: com/
  verifying: com/integpg/
  verifying: com/integpg/janoslib/
  verifying: com/integpg/janoslib/datastructures/
  verifying: com/integpg/janoslib/debug/
  verifying: com/integpg/janoslib/io/
  verifying: com/integpg/janoslib/system/
  verifying: com/integpg/janoslib/utils/

The (F)reshen command will update files in an archive ONLY if a newer version of the file is found. This does not add new files to the archive. If you do not provide a file specification the command will attempt to freshen all of the archive contents. For example, we haven’t changed anything and the freshen command does nothing.

bruce_dev /> zip -f test.zip
 nothing to do
bruce_dev />

But if we execute the MANIFEST command which adjusts the manifest.json database then we have a newer version. The archive can then be freshened.

bruce_dev /> manifest -ul
JNIOR Manifest      Thu Jan 25 14:52:55 EST 2018
  Size                  MD5                  File Specification
 37994    5627aaee400338b1b3479842cecabe29  [Updated] /jniorsys.log
 28304    2a8a593cc66fa62117497c28bf565d20  [Added] /test.zip
End of Manifest (2 files listed)

bruce_dev /> zip -f test.zip
 2 files saved
bruce_dev />

bruce_dev /> zip test.zip
     Size   Packed          CRC32        Modified
    35938     5797   84%  d393e4a3  Jan 25 2018 09:16  web.log
     1002      472   53%  afae59c3  Jan 25 2018 13:37  jniorboot.log.bak
      953      458   52%  b473efb0  Jan 25 2018 14:12  jniorboot.log
     4311      913   79%  36a57579  Jun 08 2015 12:47  flash/task.ini
     5449     2014   63%  88996b53  Jan 23 2018 08:33  flash/jnior.ini
       56       56    0%  3b661614  Jul 10 2015 08:54  flash/clean.bat
       17       17    0%  6a11f77a  Jun 30 2015 15:17  flash/dirs.bat
    38036     7559   80%  b2b18320  Jan 25 2018 14:53  jniorsys.log
    22434    10129   55%  059a09d9  Jan 25 2018 14:53  manifest.json
 9 files listed
bruce_dev />

The MANIFEST update both alters the database and posts to the system log file. So two files are updated.

To demonstrate the E(X)tract option I will move the ZIP file to the /temp folder so we don’t overwrite any existing files. Here I will extract the manifest database and take a look at its content.

CODE: SELECT ALL

bruce_dev /> mv test.zip /temp

bruce_dev /> cd /temp

bruce_dev /temp> dir -l
total 3
drwxrwxrwx   1 root      root           1 Jan 25 14:58 .
drwxrwxrwx   1 root      root           8 Jan 25 14:58 ..
-rw-r--r--   1 jnior     root       28361 Jan 25 14:53 test.zip
  61.98 MB available (temporary)

bruce_dev /temp> zip -x test.zip *.json

bruce_dev /temp> dir -l
total 4
drwxrwxrwx   1 root      root           2 Jan 25 14:59 .
drwxrwxrwx   1 root      root           8 Jan 25 14:58 ..
-rw-r--r--   1 jnior     root       28361 Jan 25 14:53 test.zip
-rw-r--r--   1 jnior     root       22434 Jan 25 14:53 manifest.json
  61.95 MB available (temporary)

bruce_dev /temp> cat manifest.json -j
{
  "model":"410",
  "serno":614070500,
  "vers":"v1.6.4-b4",
  "date":"01/25/18 14:52:55",
  "files":{
    "/etc/janosclasses.jar":{
      "length":243492,
      "date":1515682735,
      "md5":"bb85898d4e208a388fb958f1fb90fcc5",
      "crc":"20916587",
      "sha":"a9eb59e9c709ff4ceba82b1e55c841ec5860cc42"
    },
    "/flash/serialcontrol.jar":{
      "length":31344,
      "date":1450364184,
      "md5":"b349e02b7efc64c0dfe5eb74292a5ee6",
      "crc":"3a005104"
    },
    "/flash/serialethernet.jar":{
      "length":25266,
      "date":1433505362,
      "md5":"ee5e266bb8418b4223a666bd046a8c56",
      "crc":"c3961df2"
    },
    "/flash/modbusserver.jar":{
      "length":51907,
      "date":1502219129,
      "md5":"77c16d6134dbd7ec93313fbad2b00d93",
      "crc":"b7456b42",
      "sha":"fad4ecc3d1607aafe0a385a10fb5ee90eff521bd"
    },
    "/flash/snmp.jar":{
      "length":239949,
      "date":1493062048,
      "md5":"b77d35c322ef6645f1eca9d22b29400b",
      "crc":"a4073dcb",
      "sha":"44a3c2b41a2375ef603063cc9b04642903dad973"
    },
    "/flash/www/base64.js":{
      "length":3493,
      "date":1433505378,
      "md5":"1138db1b5a6e165beae3ed81739dd2ec",
      "crc":"baceb6f6"
    },
    "/flash/www/configure/index.html":{
      "length":1349,
      "date":1433505382,
      "md5":"0454014aecfd0b7d9e4ce1efe0979139",
      "crc":"11ba5486"
    },
    "/flash/www/jr310applet.jar":{
      "length":287159,
      "date":1441207703,
      "md5":"f9c4840e7244824b75858a1a40dfb163",
      "crc":"3d1d0c72"
    },
    "/flash/www/jniorprotocol.jar":{
      "length":115148,
      "date":1441207710,
      "md5":"404b40c4293bf3c334e3b88e2fe0dd10",
      "crc":"5143ec4f"
    },
    "/flash/www/jniorprotocolhelpers.jar":{
      "length":34991,
      "date":1433505394,
      "md5":"b08e33e0c21e6c075b9b242bf092b68e",
      "crc":"48990308"
    },
    "/flash/www/task/index.html":{
      "length":1415,
      "date":1433505397,
      "md5":"bbdc32dce371881b3eebd15f5b3fce96",
      "crc":"cdbe02e4"
    },
    "/flash/www/taskmanagerinterface.jar":{
      "length":123052,
      "date":1433505400,
      "md5":"077cddccee476fab552d52a5eefd26a7",
      "crc":"647bb4b3"
    },
    "/flash/www/jquery/jquery-1.9.0.min.js":{
      "length":93071,
      "date":1433505404,
      "md5":"2b869ea9c8edd4c2243c5d44f665f632",
      "crc":"6a2a8434"
    },
    "/flash/www/jquery/jquery-ui.css":{
      "length":33441,
      "date":1433505405,
      "md5":"c6bd2971b8e625f2ae43ede9f655a27b",
      "crc":"0497b7a6"
    },
    "/flash/www/jquery/jquery-ui.min.js":{
      "length":96395,
      "date":1433505409,
      "md5":"8f636d4c90ea0abfcbb25528c635bf7d",
      "crc":"820662f5"
    },
    "/flash/www/vendor/bowser/bowser_0.7.2.min.js":{
      "length":3359,
      "date":1433505412,
      "md5":"61a36d48aad1298b17284b53f6ce3fd1",
      "crc":"22deb9e6"
    },
    "/flash/www/text":{
      "length":1336,
      "date":1434044220,
      "md5":"bab65804218b18b9e1a79f2d8e873259",
      "crc":"dda17d61"
    },
    "/flash/www/cycle":{
      "length":419,
      "date":1434044214,
      "md5":"9eb9bbdae70c1f994ebb7f51b18783b8",
      "crc":"9e496eb9"
    },
    "/flash/slaveservice.jar":{
      "length":73323,
      "date":1465435094,
      "md5":"cd6f5e177d75675607e9523d52e133f7",
      "crc":"9a871cd7"
    },
    "/flash/ftp.jar":{
      "length":9563,
      "date":1475783634,
      "md5":"793e460054f07867685e87f98fd402e6",
      "crc":"36fd641e"
    },
    "/flash/task.ini":{
      "length":4311,
      "date":1433782061,
      "md5":"b1f877ac198306b266311eab557ed1dd",
      "crc":"36a57579"
    },
    "/flash/task.jar":{
      "length":102655,
      "date":1434645611,
      "md5":"1979b16970127f2c38912777cb105133",
      "crc":"ed4d6ad7"
    },
    "/flash/jnior.ini":{
      "length":4874,
      "date":1516714407,
      "md5":"58d36d44e807564035fa88ad63e2b80c",
      "crc":"88996b53",
      "sha":"0f8b5112e66d27fcee64b8fdd9309e4e850f18c7"
    },
    "/jniorsys.log":{
      "length":32844,
      "date":1516908086,
      "md5":"5627aaee400338b1b3479842cecabe29",
      "crc":"bce2daff",
      "sha":"9c10cd81e308e594c47f2f9509721380b2648cdd"
    },
    "/jniorboot.log.bak":{
      "length":1041,
      "date":1516905441,
      "md5":"4f99b5c09ba93b48222183cddb9e7802",
      "crc":"afae59c3",
      "sha":"9442209de78327134b6ab0d87965d6e09c8bdc27"
    },
    "/jniorboot.log":{
      "length":995,
      "date":1516907554,
      "md5":"945b6dcbb03349fa9fd4ef8f91898bb6",
      "crc":"b473efb0",
      "sha":"4c17d7d0f6f2fa3bf7740541ec8104ade157a402"
    },
    "/flash/benchmark.jar":{
      "length":24351,
      "date":1464873509,
      "md5":"987f4044786771f31e0656cf91ed73f3",
      "crc":"1eed095a"
    },
    "/flash/threadtest.jar":{
      "length":3601,
      "date":1434645124,
      "md5":"902ce61cbd2524ca9b83dea335c395d3",
      "crc":"cd2479ff"
    },
    "/flash/test4to20.jar":{
      "length":3862,
      "date":1434659455,
      "md5":"a2e309c9d6dd112e5303aa76d2470740",
      "crc":"976f8208"
    },
    "/flash/dirs.bat":{
      "length":87,
      "date":1435691869,
      "md5":"531d655733ee668d829f9b3bdad96038",
      "crc":"6a11f77a"
    },
    "/flash/www/console/index.php":{
      "length":4347,
      "date":1438974987,
      "md5":"8728680bbc36d369429f7ca2c73cce7d",
      "crc":"c939c423"
    },
    "/flash/clean.bat":{
      "length":56,
      "date":1436532855,
      "md5":"ac9ce6553e1629412fb426b342440493",
      "crc":"3b661614"
    },
    "/flash/jnior1024.key":{
      "length":887,
      "date":1437746752,
      "md5":"b76b5351a92fdcc8d9b6b38ca62d8d71",
      "crc":"7983e14c"
    },
    "/flash/www/config/md5.js":{
      "length":5693,
      "date":1433505379,
      "md5":"a60fec5a81f207ff99ec1b97e3ccad0e",
      "crc":"e2a43d16"
    },
    "/flash/www/config/node.png":{
      "length":253,
      "date":1440435886,
      "md5":"1a8dbfaf1771a06e48dea0e3dc604392",
      "crc":"799c6dfc"
    },
    "/flash/www/config/tabs-styles.css":{
      "length":970,
      "date":1477590404,
      "md5":"68bca7015f51e26ab42199b5eb17a356",
      "crc":"f8870a33"
    },
    "/flash/www/config/tabs.js":{
      "length":3662,
      "date":1449678641,
      "md5":"ff728c86018341548ee70028062c89e0",
      "crc":"1a813112"
    },
    "/flash/www/config/styles.css":{
      "length":4450,
      "date":1504814044,
      "md5":"9ad78cca1b794dbcf9db3c55f1be5f1b",
      "crc":"acbd2e14",
      "sha":"3cf0bbc864840994a49f62d0ae00df6d8eb47ef3"
    },
    "/flash/www/config/comm.js":{
      "length":3541,
      "date":1507912287,
      "md5":"e7d2e56a443176d6150bbcc8b56e1911",
      "crc":"0ac0ed26",
      "sha":"5e66b96227779c5ef3736a7ca891a43cacffbbf1"
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    "/flash/www/test.zip":{
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      "sha":"1aef18b365347aa0f13f38f315a04edbf7eb37d2",
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    "/flash/public/logs/file_list.php":{
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      "sha":"084e23a1c3920288fc77f5077af9e426d15a7070",
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    "/flash/logs/file_list.php":{
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      "date":1516026614,
      "md5":"dc00d3ff6e0dbde0d518cb031adb2ffc",
      "sha":"084e23a1c3920288fc77f5077af9e426d15a7070",
      "crc":"1619a010"
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    "/flash/cinema_backup/macro_cineasia.csv":{
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      "date":1512576908,
      "md5":"3a9c04ed302b116828c6b1e34d90eee8",
      "sha":"0ba6c912592b8fcc94f325088bbf6e5e915b8095",
      "crc":"c08feb1b"
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    "/test.zip":{
      "length":28304,
      "date":1516908949,
      "md5":"2a8a593cc66fa62117497c28bf565d20",
      "sha":"d62543f024dfa510450d7be40ff5685269c042c9",
      "crc":"9c9d97ef"
    }
  }
}
bruce_dev /temp> 

We see here how the CAT command can format JSON for us.

Hmm… Perhaps before we release v1.6.4 JANOS I’ll have this command list the files it extracts. Seems like it should have at least indicated that it did what we wanted.