If the value is optional, use a colon : Getopt « System Functions « Perl






  1. Perl
  2. System Functions
  3. Getopt

If the value is optional, use a colon

      

#Getopt::Long::GetOptions('number_copies:i' => \$copies);

#!/usr/bin/perl -w

use Getopt::Long;

Getopt::Long::GetOptions( 
    'number_copies:i' => \$copies);

if ( defined( $copies ) ) {
    print "number_copies flag set to $copies\n";
}








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