> ls *.txt
file1.txt  file2.txt  file3.txt
> cat test.pl
#!/usr/bin/env perl
use strict;
use warnings;
use Data::Dumper;
print Dumper(\@ARGV);
> ./test.pl 's/foo/bar/' file*.txt
$VAR1 = [
          's/foo/bar/',
          'file1.txt',
          'file2.txt',
          'file3.txt'
        ];
>