
/**

\section 2

\section 

,
    

----
     
    to test command line arguments

    usage:
    app[-?] [-v] [-l LLL] ...
    options:
      -?          		: to see this help: True
      -v          		: additional info: True
      -l LLL		: log level (1..8): 1
    '?' means the same as 'help'
    'v' means the same as 'verbose'
    'l' means the same as 'log'
     
----
*/