solution for task 2

2 files changed, 29 insertions, 0 deletions

diff --git a/challenge-072/jo-37/perl/ch-2.in b/challenge-072/jo-37/perl/ch-2.in
new file mode 100644
index 0000000000..a694c02976
--- /dev/null
+++ b/challenge-072/jo-37/perl/ch-2.in
@@ -0,0 +1,8 @@
+L1
+L2
+L3
+L4
+L5
+L6
+L7
+L8
diff --git a/challenge-072/jo-37/perl/ch-2.pl b/challenge-072/jo-37/perl/ch-2.pl
new file mode 100755
index 0000000000..423ed6ca80
--- /dev/null
+++ b/challenge-072/jo-37/perl/ch-2.pl
@@ -0,0 +1,21 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+sub print_range {
+	my ($file, $A, $B) = (shift, shift() + 0, shift() + 0);
+
+	return if !$file || $A < 1 || $B < $A;
+
+	open my $fh, '<', $file or die "$file: $!\n";
+	eval <<EOS;
+	while (<\$fh>) {
+		print if $A .. $B;
+	}
+EOS
+	die $@ if $@;
+	close $fh or warn "$file: $!\n";
+}
+
+print_range 'ch-2.in', 3, 5;