use 5.010;
use strict;
use warnings;

use Path::Iterator::Rule;
use Path::Tiny;

# The directories we're looking in.
#
my @search_dirs = ('/home/tai/tmp');

# The regular expression we're searching for.
#
my $search_for = qr{foo};

"Path::Iterator::Rule"->add_helper(
	contents_match => sub {
		my $regexp = shift;
		sub {
			my $item = path(shift);
			return unless $item->is_file;
			$item->slurp_utf8 =~ $regexp;
		};
	},
);

"Path::Iterator::Rule"->add_helper(
	line_match => sub {
		my $regexp = shift;
		sub {
			my $item = path(shift);
			return unless $item->is_file;
			my $fh = $item->openr_utf8;
			while (my $line = <$fh>) {
				return 1 if $line =~ $regexp;
			}
			return;
		};
	},
);

my @matches = "Path::Iterator::Rule"
	-> new
	-> file
	-> name(qr{\.txt$})
	-> line_match($search_for)
	-> all(@search_dirs)
;

say for @matches;