"Oh, in #Haskell this app is just a one-liner!"
The one-liner:
`app a b c d e= runMonadT <(@)> ( (LiftValue a b c) *!* stop) . \a -> d(a) $ e`
Follow
@abuseofnotation Still more readable than most PERL code. (Am I old in that I remember coding in PERL?)
$_='while(read+STDIN,$_,2048){$a=29;$b=73;$c=142;$t=255; @T=map{$_%16or$t=$c=( $m=(11,10,116,100,11,122,20,100)[$_/16%8])&110;$t=(72,@Z=(64,72,$a=12*($_%16 -2?0:$m&17)),$b^=$_%64?12:0,@Z)[$_%8]}(16..271);if((@A=unx"C*",$_)[20]&48){$h =5;$_=unxb24,join"",@B=map{xB8,unxb8,chr($_^$a[–$h+84])}@ARGV;s/...$/1$&/;$ d=unxV,xb25,$_;$e=256|(ord$b[4])<
@antares The regexes were unreadable the rest of the stuff was OK, I think.