From f28dd62af10e7bcc108fccb680cc06777d89d850 Mon Sep 17 00:00:00 2001
From: Luis Mochan <mochan@fis.unam.mx>
Date: Mon, 14 Jul 2025 11:10:50 -0600
Subject: Solve PWC 330

---
 challenge-330/wlmb/blog.txt     |  1 +
 challenge-330/wlmb/perl/ch-1.pl | 20 ++++++++++++++++++++
 challenge-330/wlmb/perl/ch-2.pl | 12 ++++++++++++
 3 files changed, 33 insertions(+)
 create mode 100644 challenge-330/wlmb/blog.txt
 create mode 100755 challenge-330/wlmb/perl/ch-1.pl
 create mode 100755 challenge-330/wlmb/perl/ch-2.pl

diff --git a/challenge-330/wlmb/blog.txt b/challenge-330/wlmb/blog.txt
new file mode 100644
index 0000000000..9a2eddb4c9
--- /dev/null
+++ b/challenge-330/wlmb/blog.txt
@@ -0,0 +1 @@
+https://wlmb.github.io/2025/07/14/PWC330/
diff --git a/challenge-330/wlmb/perl/ch-1.pl b/challenge-330/wlmb/perl/ch-1.pl
new file mode 100755
index 0000000000..3821ff49a1
--- /dev/null
+++ b/challenge-330/wlmb/perl/ch-1.pl
@@ -0,0 +1,20 @@
+#!/usr/bin/env perl
+# Perl weekly challenge 330
+# Task 1:  Clear Digits
+#
+# See https://wlmb.github.io/2025/07/14/PWC330/#task-1-clear-digits
+use v5.36;
+die <<~"FIN" unless @ARGV;
+    Usage: $0 S1 S2...
+    to repeatedly remove digits from the string Sn, together with the closest
+    non-digit to its left.
+    Only lowercase letters and digits are allowed in the strings.
+    FIN
+for(@ARGV){
+    my $input=$_;
+    say("Only digits and lowercase letters allowed: $input"), next
+	unless /^[a-z0-9]*$/;
+    1 while s/[a-z][0-9]//;  #strip all letter-digit pairs
+    say("Couldn't strip all digits: $input -> $_"), next if /[0-9]/;
+    say "$input -> $_";
+}
diff --git a/challenge-330/wlmb/perl/ch-2.pl b/challenge-330/wlmb/perl/ch-2.pl
new file mode 100755
index 0000000000..da3d717b33
--- /dev/null
+++ b/challenge-330/wlmb/perl/ch-2.pl
@@ -0,0 +1,12 @@
+#!/usr/bin/env perl
+# Perl weekly challenge 330
+# Task 2:  Title Capital
+#
+# See https://wlmb.github.io/2025/07/14/PWC330/#task-2-title-capital
+use v5.36;
+die <<~"FIN" unless @ARGV;
+    Usage: $0 S1 S2...
+    to convert words in the space-separated strings Sn to titlecase
+    or to lowercase if their length exceeds or not 2 characters.
+    FIN
+say join " ", map {(length($_) >2 && ucfirst)||$_} split " ", lc for @ARGV;
-- 
cgit