48 lines
764 B
Perl
48 lines
764 B
Perl
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#!/usr/bin/env perl
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use strict;
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use warnings;
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use feature qw(:5.36);
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use autodie;
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open my $fh, '<', 'input.txt';
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my $total = 0;
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my %map = (
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one => 1,
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two => 2,
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three => 3,
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four => 4,
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five => 5,
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six => 6,
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seven => 7,
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eight => 8,
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nine => 9,
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);
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for my $i (1..9) {
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$map{$i} = $i;
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}
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for my $line (<$fh>) {
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chomp $line;
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my $origin = $line;
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my @digits = ();
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while ($line =~ /(one|two|three|four|five|six|seven|eight|nine|\d)/) {
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my $temp = $1;
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my $temp2 = $temp;
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unless ($temp =~ /\d/) {
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$temp2 =~ s/.$//;
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}
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$line =~ s/$temp2//;
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push @digits, $temp;
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}
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my $x = $digits[0];
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my $y = $digits[-1];
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print "found $map{$x} ($x) and $map{$y} ($y)";
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my $z = $map{$x} . $map{$y};
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say ", which is $z, in $origin";
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$total += $z;
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}
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say $total;
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