This status code can give you more information about why the command failed. You can get the exit status code of the last external command that you ran with the $? global variable. nil if command execution fails (command not found).false if the command returns an error code.There are ways to run commands in the background as we’ll see later. Notice that system will print the command output as it happens.Īlso system will make your Ruby program wait until the command is done. The Ruby system method is the simplest way to run an external command. Let’s explore these methods together! The Ruby System Method There are a few Ruby methods you can use.ĭepending on the method you use you’ll get different results. …like wkhtmltopdf to convert an HTML file into a PDF. This command reports CAN lines connection information.If you want to run an external command from Ruby… Note: This command is supported from 03.25.16.Rev.281 firmware version. This command forces FMB1YX connection to FOTA WEB to report current CAN adapter status. Note: This command is supported from 03.25.15.Rev.145 firmware version. From that moment of setting the value, vehicle will continue to count from the specified value.Ġ – setting total engine work time (seconds)ġ – setting total mileage of the vehicle (km)Ģ – resetting total fuel consumption to 0 is available (liters)Ĥ – setting electric engine work time (seconds)ĥ – setting wheel speed sensor impulses (impulses)Ģ.# - value(0 to 0xFFFFFFFF or ? (? – is used to get the current setting value)) This command is used to set specific counters for vehicles.

If SMS login and password are not set leave two spaces before command: getinfo.If you have set SMS login and password: login pass getinfo.If the device is in GPS Sleep or Online Deep Sleep mode, sent SMS/GPRS message will arrive to the device. Device will receive the SMS message when it exits Deep Sleep mode, but GPRS commands will not be received after exiting Deep Sleep Mode. When user tries to send SMS/GPRS message to device that operates in Deep Sleep mode, it cannot arrive to it because the GSM/GPRS module is disabled most of the time.

Mac sleep command parms