command line argument - perl Post: 302558733

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Top Forums Shell Programming and Scripting command line argument - perl Post 302558733 by bshell_1214 on Sunday 25th of September 2011 05:36:25 AM

Old

09-25-2011

Registered User

command line argument - perl

how do i check if a command line argument is -g?

for example,

Code:

if command line argument equals "-g"
{
  print "Goodbye \n";
}
else
{
  print "Welcome to the program! \n";
}

Last edited by Scott; 09-25-2011 at 06:43 AM.. Reason: Code tags

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dbatbl

DBATBL(1)						      General Commands Manual							 DBATBL(1)

NAME

       dbatbl - Manage on-disk reference tables for DB-ALLe

SYNOPSIS

       dbatbl [command] [options] [args...]

DESCRIPTION

       This tool allows to index and query the tables that are needed for normal functioning of DB-ALLe.

       dbatbl always requires a non-switch argument, that indicates what is the operation that should be performed:

       help
	      Print a help summary.

       help manpage
	      Print this manpage.

       cat tableid [tableid [...]]
	      Output all the contents of a WMO B table..

       grep string
	      Output all the contents of the local B table whose description contains the given string..

       expand table-entry [table-entry [...]]
	      Describe a WMO B table entry or expand a WMO D table entry in its components..

       expandcode varcode [varcode [...]]
	      Expand the value of a packed variable code.

       index [options] filename index-id
	      Index the contents of a table file.

       describe [options] what [values]
	      Invoke the formatter to describe the given values.  Supported so far are: "level ltype l1 l2", "trange pind p1 p2".

OPTIONS

       dbatbl follows the usual GNU command line syntax, with long options starting with two dashes (`-').

   Option for command cat
       -?, --help
	      print an help message

       -c, --csv
	      output variables in CSV format

   Option for command grep
       -?, --help
	      print an help message

       -c, --csv
	      output variables in CSV format

   Option for command expand
       -?, --help
	      print an help message

   Option for command expandcode
       -?, --help
	      print an help message

   Option for command index
       -?, --help
	      print an help message

       -t type, --type=type
	      format of the table to index ('b', 'd', 'conv')

   Option for command describe
       -?, --help
	      print an help message

AUTHOR

       dbatbl has been written by Enrico Zini <enrico@enricozini.com> for ARPA Emilia Romagna, Servizio Idrometeorologico.

								   may 16, 2012 							 DBATBL(1)