#!/usr/bin/env perl
use strict;
use warnings;
use File::Find::Rule;

my $pattern = qr/
   \A gcc    # start with "gcc"
   -         # first separating hyphen
   [^-]+     # first sequence of non-hyphen
   -         # second - also last - separating hyphen
   [^-]+     # second sequence of non-hypen
   \.rpm \z  # end with ".rpm"
/mxs;
my @files = File::Find::Rule->file()->name($pattern)->maxdepth(1)->in('.');

print "files: [@files]\n";