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diff --git a/challenge-279/peter-campbell-smith/blog.txt b/challenge-279/peter-campbell-smith/blog.txt
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+++ b/challenge-279/peter-campbell-smith/blog.txt
@@ -0,0 +1 @@
+http://ccgi.campbellsmiths.force9.co.uk/pwc/challenge/279
diff --git a/challenge-279/peter-campbell-smith/perl/ch-1.pl b/challenge-279/peter-campbell-smith/perl/ch-1.pl
new file mode 100755
index 0000000000..29037c68eb
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+++ b/challenge-279/peter-campbell-smith/perl/ch-1.pl
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+#!/usr/bin/perl
+
+# Blog: http://ccgi.campbellsmiths.force9.co.uk/challenge
+
+use v5.26;    # The Weekly Challenge - 2024-07-22
+use utf8;     # Week 279 - task 1 - Sort letters
+use warnings; # Peter Campbell Smith
+binmode STDOUT, ':utf8';
+
+sort_letters(['R', 'E', 'P', 'L'], [3, 2, 1, 4]);
+sort_letters(['A', 'U', 'R', 'K'], [2, 4, 1, 3]);
+sort_letters(['a', 'C', 'e', 'e', 'g', 'h', 'l', 'l', 'n'], [3, 1, 6, 9, 8, 2, 4, 5, 7]);
+
+sub sort_letters {
+	
+	my (@letters, @weights, @sorted);
+	
+	@letters = @{$_[0]};
+	@weights = @{$_[1]};
+
+	# rearrange the letters
+	$sorted[$weights[$_] - 1] = $letters[$_] for 0 .. @letters - 1;
+
+	printf(qq[\nInput:  \@letters = ('%s'), \@weights = (%s)\n], join(qq[', '], @letters), join(', ', @weights));
+	printf(qq[Output: %s\n], join('', @sorted));
+}
diff --git a/challenge-279/peter-campbell-smith/perl/ch-2.pl b/challenge-279/peter-campbell-smith/perl/ch-2.pl
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index 0000000000..fee176507d
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+++ b/challenge-279/peter-campbell-smith/perl/ch-2.pl
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+#!/usr/bin/perl
+
+# Blog: http://ccgi.campbellsmiths.force9.co.uk/challenge
+
+use v5.26;    # The Weekly Challenge - 2024-07-22
+use utf8;     # Week 279 - task 2 - Split string
+use warnings; # Peter Campbell Smith
+binmode STDOUT, ':utf8';
+
+split_string('good morning');
+split_string('perl');
+split_string('Write a script to split the given string into two');
+split_string('Write a script to split the given string into three');
+split_string('bcdfgh');
+split_string('');
+
+sub split_string {
+	
+	my ($string, $vowels);
+	
+	$string = shift;
+	
+	# count the vowels
+	$vowels = () = $string =~ m|[aeiou]|gi;
+	
+	printf(qq[\nInput:  \$str = '%s'\n], $string);
+	printf(qq[Output: %s\n], ($vowels & 1) ? 'false' : 'true');
+}