here is my code
#!/usr/bin/perl
use strict;
use Getopt::Long;
$Getopt::Long::autoabbrev = 1;
$Getopt::Long::ignorecase = 0;
my ($opt_help, $opt_cfg, $opt_verbose, $opt_silent, $opt_dir);
GetOptions(
"help" => \$opt_help,
"cfg=s" => \$opt_cfg,
"verbose" => \$opt_verbose,
"silent" => \$opt_silent,
"dir=s" => \$opt_dir,
) or die "Mandatory options not supplied\n";
# How to find out which option is passed via Getopt.
# I can rely on the variables for their definedness, but options might
+ increase and
# considerably. Is there any short way that I can find where all the o
+ptions are stored
# say in a hash.
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