#!/usr/bin/env perl use strict; use warnings; use Test::More;; use File::Find; use File::Slurp qw< slurp >; my $ext = qr/(?: php | inc )/x; my @files; find( sub { push @files, $File::Find::name if -f && /\. $ext $/x }, '.' ); plan tests => scalar @files; for my $file (@files) { my $cont = slurp $file; if ( $cont =~ m<<\?php .* \?>>xs ) { pass "$file has "; } elsif ( $cont =~ m<<\? .* \?>>xs ) { fail "$file does not use "; } else { pass "$file has neither nor , check it"; } }