def system_procRet(str_command, b_echoCommand=<NUM_LIT:0>):
if b_echoCommand: printf('<STR_LIT>', str_command)<EOL>str_stdout = os.popen(str_command).read()<EOL>retcode = os.popen(str_command).close()<EOL>return retcode, str_stdout<EOL>
Run the <str_command> on the underlying shell. Any stderr stream
is lost.

RETURN

    Tuple (retcode, str_stdout)
    o retcode: the system return code
    o str_stdout: the standard output stream