#!/usr/bin/perl -l
use strict;
use File::Find;
use File::Spec;

use constant DIRECTORY => '/tmp/rja/find_test';

my @files;

find( \&findsub, __PACKAGE__->DIRECTORY );

@files = grep is_dos_format($_), @files;

foreach my $file (@files) {
	print "FAILED FILE - $file";
}

sub findsub {
	push @files, $File::Find::name;
}

sub is_dos_format {
	my $abs_path = shift;

	open ( my $fh, '<', $abs_path )
		or die "open $abs_path: $!"
	;

	if ( grep m/\r\n/s, <$fh> ) {
		return 1;
	}

	return undef;

}