From f5b63dee409f43f14c8d97e1e308bb13761567e8 Mon Sep 17 00:00:00 2001
From: Peter Campbell Smith <pj.campbell.smith@gmail.com>
Date: Mon, 29 Sep 2025 13:05:46 +0100
Subject: Week 341 - Broken keys and mixed up words

---
 challenge-341/peter-campbell-smith/blog.txt     |  1 +
 challenge-341/peter-campbell-smith/perl/ch-1.pl | 36 +++++++++++++++++++++++++
 challenge-341/peter-campbell-smith/perl/ch-2.pl | 35 ++++++++++++++++++++++++
 3 files changed, 72 insertions(+)
 create mode 100644 challenge-341/peter-campbell-smith/blog.txt
 create mode 100755 challenge-341/peter-campbell-smith/perl/ch-1.pl
 create mode 100755 challenge-341/peter-campbell-smith/perl/ch-2.pl

diff --git a/challenge-341/peter-campbell-smith/blog.txt b/challenge-341/peter-campbell-smith/blog.txt
new file mode 100644
index 0000000000..412832778e
--- /dev/null
+++ b/challenge-341/peter-campbell-smith/blog.txt
@@ -0,0 +1 @@
+http://ccgi.campbellsmiths.force9.co.uk/challenge/341
diff --git a/challenge-341/peter-campbell-smith/perl/ch-1.pl b/challenge-341/peter-campbell-smith/perl/ch-1.pl
new file mode 100755
index 0000000000..ee198d597d
--- /dev/null
+++ b/challenge-341/peter-campbell-smith/perl/ch-1.pl
@@ -0,0 +1,36 @@
+#!/usr/bin/perl
+
+# Blog: http://ccgi.campbellsmiths.force9.co.uk/challenge
+
+use v5.26;    # The Weekly Challenge - 2025-09-29
+use utf8;     # Week 341 - task 1 - Broken keyboard
+use warnings; # Peter Campbell Smith
+
+binmode STDOUT, ':utf8';
+use Encode;
+
+broken_keyboard('Hello world', ['d']);
+broken_keyboard('apple banana cherry', ['a', 'e']);
+broken_keyboard('Coding is fun', []);
+broken_keyboard('Perl and Python', ['p']);
+broken_keyboard('aaaaa ccc b', ['a', 'b']);
+
+sub broken_keyboard {
+	
+	my ($string, $keys, $count);
+	
+	# initialise and concatenate broken keys
+	no warnings 'uninitialized';
+	$string = $_[0];
+	$keys .= $_ for @{$_[1]};
+	
+	# delete words containing broken keys
+	$string =~ s|\w*[$keys]\w*||gi if $keys;
+	
+	# count the remaining words
+	$count ++ while $string =~ m|\w+|gi;
+	
+	# report
+	say qq[\nInput:  \$string = '$_[0]', \@keys = (']  . join(q[', '], @{$_[1]}) . q[')];
+	say qq[Output: ] . ($count + 0);
+}
diff --git a/challenge-341/peter-campbell-smith/perl/ch-2.pl b/challenge-341/peter-campbell-smith/perl/ch-2.pl
new file mode 100755
index 0000000000..aad0f9b74e
--- /dev/null
+++ b/challenge-341/peter-campbell-smith/perl/ch-2.pl
@@ -0,0 +1,35 @@
+#!/usr/bin/perl
+
+# Blog: http://ccgi.campbellsmiths.force9.co.uk/challenge
+
+use v5.26;    # The Weekly Challenge - 2025-09-29
+use utf8;     # Week 341 - task 2 - Reverse prefix
+use warnings; # Peter Campbell Smith
+binmode STDOUT, ':utf8';
+use Encode;
+
+reverse_prefix('programming', 'g');
+reverse_prefix('hello', 'h');
+reverse_prefix('goodbye', 'e');
+reverse_prefix('noitulos', 's');
+reverse_prefix('conundrum', 'z');
+
+sub reverse_prefix {
+	
+	my ($string, $char, $result);
+	
+	# initialise
+	($string, $char) = @_;
+	
+	# do as instructed
+	if ($string =~ m|(.*?)$char(.*)|) {
+		$result = qq['$char] . reverse($1) . qq[$2'];
+		
+	# non-compliant data!	
+	} else {
+		$result = qq[There is no '$char' in '$string'];
+	}
+		
+	say qq[\nInput:  \$string = '$string', \$char = '$char'];
+	say qq[Output: $result];
+}
-- 
cgit