How to access multiple option values from hash specification - perl

Question

use Getopt::Long;
GetOptions(\%gOptions,
"help",
"size=i",
"filename=s{2}",
);
I am passing options like -
--size 200 --filename abc.txt def.txt
I tried accessing filename from the hash specification through
my #array = $gOptions{filename};
print $array[0];
print $array[1];
However, this is not working. How to access multiple option values from a hash specification %gOptions?
Note :
I can map filename to separate array like this -
"filename=s{2}" => \#filearray,
print "$filearray[1];"
but I am not preferring this method.

Answer 1

The documentation on this form of usage says:
For options that take list or hash values, it is necessary to indicate this by appending an # or % sign after the type
and it will then use a reference to an array or hash in the appropriate field to hold values.
So...
#!/usr/bin/env perl
use warnings;
use strict;
use feature qw/say/;
use Getopt::Long;
my %gOptions;
GetOptions(\%gOptions,
"help",
"size=i",
# The # has to come after the type, and before the repeat count.
# Note the single quotes so #{2} isn't subject to variable interpolation
'filename=s#{2}',
);
say for $gOptions{"filename"}->#* if exists $gOptions{"filename"};
# or #{$gOptions{"filename"}} if your perl is too old for postderef syntax
Example:
$ perl foo.pl --filename a b
a
b