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Challenge #1
<SdK> gibts wörter, die nach rot13 n anderes existierendes wort ergeben?
mxf: Perl
perl -nle'$w{+lc}=lc}for(keys%w){y/a-z/n-za-m/;$r=$w{$_}&&print"$r -> $_"' /usr/share/dict/web2
63+2 Zeichen
PhilFry: Ruby
ruby -e'words={};IO.readlines(ARGV[0]).each{|w|words[w.downcase.chomp]=true};words.each_key{|w|r=w.tr("a-z","n-za-m");puts w+"->"+r if words[r]}' /usr/share/dict/web2
136 Zeichen [Ausgabe]
real 0m9.114s user 0m5.692s sys 0m0.421s
Ch3ka: php
<?$a=file('/usr/share/dict/web2');while($b[]=strtolower(str_rot13(next($a)))){}foreach($a as $c)if(in_array(strtolower($c),$b))echo $c;?>
ch3ka@bihatsch: wc rot13test.php 1 4 138 rot13test.php
v2:
<?$f=file($argv[1]);while($a[]=strtolower(next($f))){}while($b[]=str_rot13(next($a))){$c=end($b);if(in_array($c,$a))echo$c;}?>
122 Chrs
Kungi: Python
import sys e={};a=open(sys.argv[1]).read().lower().split() for w in a:e[w]="" for w in a:
b=w.encode('rot13') if e.has_key(b):e[b]=w
for a,b in e.iteritems():
if b:print a+" -> "+b
kungi@BeerBook: wc golf2.py (0)
8 23 184 golf2.py