in reply to Trickery with Getopt::Long (flag option, with optional integer arg)
Use the :i specifier. Refer to Summary of Option Specifications.
use warnings; use strict; use Getopt::Long; my $arg = -1; GetOptions('arg:i' => \$arg) or die; print "$arg\n";
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Re^2: Trickery with Getopt::Long (flag option, with optional integer arg)
by stevieb (Canon) on Aug 18, 2017 at 15:14 UTC |
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Seekers of Perl Wisdom