use strict;
use warnings;

use Getopt::Long qw( :config posix_default bundling no_ignore_case );

GetOptions('verbose|v' => \my $opt_verbose)
    or die("usage\n");

print( $opt_verbose || 0, "\n");

[download]

The ones that should work: 

>perl 806754.pl -v
1

>perl 806754.pl --verbose
1

[download]

The ones that shouldn't work: 

>perl 806754.pl -verbose
Unknown option: e
Unknown option: r
Unknown option: b
Unknown option: o
Unknown option: s
Unknown option: e
usage

>perl 806754.pl --verb
Unknown option: verb
usage

>perl 806754.pl -V
Unknown option: V
usage

>perl 806754.pl --Verbose
Unknown option: Verbose
usage

[download]

6 of 6 tests successful.

In reply to Re: How can I have both short and long options with Getopt::Long? by ikegami
in thread How can I have both short and long options with Getopt::Long? by Anonymous Monk

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