19 lines
528 B
Perl
Executable file
19 lines
528 B
Perl
Executable file
#!/usr/bin/perl
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# Source projecteuler.net forum
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use List::Util qw/ sum /;
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open(FILE,"cipher1.txt") or die ("Unable to open file");
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$cypher = join '', map { chr($_) } split /,/,<FILE>;
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$l = length $cypher;
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for my $key ('aaa' .. 'zzz') {
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$text = $cypher ^ ( $key x int ($l/3)
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. substr($key,0,$l%3)
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);
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if ( $text =~ / and /i or $text =~ / the /i ) {
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print "$key: $text$/";
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last;
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}
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}
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print "Ascii total: ", sum map { ord($_) } split //, $text;
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print "\n";
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