Solution to task 2

1 files changed, 54 insertions, 0 deletions

diff --git a/challenge-250/jo-37/perl/ch-2.pl b/challenge-250/jo-37/perl/ch-2.pl
new file mode 100755
index 0000000000..e94254968c
--- /dev/null
+++ b/challenge-250/jo-37/perl/ch-2.pl
@@ -0,0 +1,54 @@
+#!/usr/bin/perl -s
+
+use v5.24;
+use Test2::V0;
+use List::Util 'max';
+
+our ($tests, $examples);
+
+run_tests() if $tests || $examples;	# does not return
+
+die <<EOS unless @ARGV;
+usage: $0 [-examples] [-tests] [...]
+
+-examples
+    run the examples from the challenge
+ 
+-tests
+    run some tests
+
+S...
+    list of strings
+
+EOS
+
+
+### Input and Output
+
+say max_val(@ARGV);
+
+
+### Implementation
+
+sub max_val {
+	max map /^\d+$/ ? 0 + $_ : length, @_;
+}
+
+
+### Examples and tests
+
+sub run_tests {
+    SKIP: {
+        skip "examples" unless $examples;
+
+        is max_val("perl", "2", "000", "python", "r4ku"), 6, 'example 1';
+        is max_val("001", "1", "000", "0001"), 1, 'example 2';
+    }
+
+    SKIP: {
+        skip "tests" unless $tests;
+	}
+
+    done_testing;
+    exit;
+}