w275 - Task 1 & 2

2 files changed, 76 insertions, 0 deletions

diff --git a/challenge-275/perlboy1967/perl/ch1.pl b/challenge-275/perlboy1967/perl/ch1.pl
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+++ b/challenge-275/perlboy1967/perl/ch1.pl
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+#!/bin/perl
+
+=pod
+
+The Weekly Challenge - 275
+- https://theweeklychallenge.org/blog/perl-weekly-challenge-275
+
+Author: Niels 'PerlBoy' van Dijke
+
+Task 1: Broken Keys
+Submitted by: Mohammad Sajid Anwar
+
+You are given a sentence, $sentence and list of broken keys @keys.
+
+Write a script to find out how many words can be typed fully.
+
+=cut
+
+use v5.32;
+use feature qw(signatures);
+use common::sense;
+
+use Test2::V0 qw(-no_srand);
+
+sub brokenKeys ($sentence,@keys) {
+  my $re = '['.join('',@keys).']';
+  scalar grep !/$re/i, split /\s+/, $sentence;
+}
+
+is(brokenKeys('Perl Weekly Challenge','l','a'),0);
+is(brokenKeys('Perl and Raku','a'),1);
+is(brokenKeys('Well done Team PWC','l','o'),2);
+is(brokenKeys('The joys of polyglottism','T'),2);
+
+done_testing;
diff --git a/challenge-275/perlboy1967/perl/ch2.pl b/challenge-275/perlboy1967/perl/ch2.pl
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+++ b/challenge-275/perlboy1967/perl/ch2.pl
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+#!/bin/perl
+
+=pod
+
+The Weekly Challenge - 275
+- https://theweeklychallenge.org/blog/perl-weekly-challenge-275
+
+Author: Niels 'PerlBoy' van Dijke
+
+Task 2: Replace Digits
+Submitted by: Mohammad Sajid Anwar
+
+You are given an alphanumeric string, $str, where each character
+is either a letter or a digit.
+
+Write a script to replace each digit in the given string with the
+value of the previous letter plus (digit) places.
+
+=cut
+
+use v5.32;
+use feature qw(signatures);
+use common::sense;
+
+use Test2::V0 qw(-no_srand);
+
+sub replaceDigits ($str) {
+  my $r;
+  while ($str =~ s#^(?<c>[a-z])(?<d>\d+)##i) {
+    $r .= $+{c} . join('', map { chr(ord($+{c})+$_) } split(//,$+{d}));
+  }
+  return $r.$str;
+}
+
+is(replaceDigits('a1c1e1'),'abcdef','Example 1');
+is(replaceDigits('a1b2c3d4'),'abbdcfdh','Example 2');
+is(replaceDigits('b2b'),'bdb','Example 3');
+is(replaceDigits('a16z'),'abgz','Example 4');
+is(replaceDigits('Z5'),'Z_','Own test');
+
+done_testing;