Solution to task 1

1 files changed, 18 insertions, 0 deletions

diff --git a/challenge-161/jo-37/perl/ch-1.pl b/challenge-161/jo-37/perl/ch-1.pl
new file mode 100755
index 0000000000..1e118c43db
--- /dev/null
+++ b/challenge-161/jo-37/perl/ch-1.pl
@@ -0,0 +1,18 @@
+#!/usr/bin/perl
+
+use v5.16;
+use warnings;
+use constant DICT => '../../../data/dictionary.txt';
+use List::Util 'reduce';
+use Syntax::Keyword::Gather;
+
+# Specify the name of a dictionary as program argument or use the
+# provided dictionary otherwise.
+$ARGV[0] = DICT unless @ARGV;
+
+say for sort {length($b) <=> length($a) || $a cmp $b} gather {
+    while (<>) {
+        chomp;
+        take $_ if reduce {$a && $a le $b ? $b : ''} split //;
+    }
+};