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by acid06 (Friar)
on Oct 03, 2004 at 05:51 UTC ( #395969=obfuscated: print w/replies, xml ) Need Help??

use strict;use subs qw(r p j u k);my@M=split'' ," REKCAH LREP REHTONA TSUJ";my@s;for my$y(0.. $#M){for(0..79){$s[$y][$_]=" "}}my@m=@M;{push@ {$s[0]},k\@m;@m=@M if$#m<0;for(0,0){@s=r@s;u\@ {$s[$_]};@s=r@s;k\@{$s[$_]};u\@{$s[$#s-$_]};@s =r@s;my$k=k\@{$s[$#s-$_]};@s=r@s;$s[$_][j@{$s[ $_]}]=$k}p@s;redo}sub r{my@r;for my$y(0..$#_){ for my$x(0..j(@{$_[$y]})){$r[$x][$y]=$_[$y][$x ]}}@r}sub p{system'cls';for(@_){print for(@$_) }}sub u{pop@{$_[0]};unshift@{$_[0]}," "}sub j{ $#_}sub k{shift@{$_[0]}}BEGIN{$|=1}
Note1: If you're on *nix I guess you need to change 'cls' to the right clear screen command.
Note2: If you leave it running for a while it'll eventually die.
Note3: It'll complain if warnings are turned on

PS: Don't know if the 'use subs' ruined some fun, but I guess that the main thing is figuring out how it works, not trying to find hidden code.
Update: As jdalbec noted, setting on autoflush gives betters results, so I added that BEGIN "hack" in order to maintain the "metric" of the code.

perl -e "print pack('h*', 16369646), scalar reverse $="

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Re: Rusty?
by jdalbec (Deacon) on Oct 03, 2004 at 23:22 UTC
    I couldn't see anything on Mac OS X 10.3.5 in until I set $|=1;. Even on a terminal output is line buffered by default and it looks like you aren't printing any "\n"s. Update: the system 'clear' call does flush the output buffer...just before it clears the screen!

    However, I get a smoother display if I just add local $|=1;print to the end of p() rather than setting $|=1 globally and leaving it that way.

    Update: At first I tried adding system 'true' to the end of p(), which also works on Mac OS X. However, perlport says it's not portable to SunOS/Solaris and HP-UX.
Re: Rusty?
by opqdonut (Acolyte) on Oct 05, 2004 at 18:39 UTC

    Really nice! Seems you're not *so* rusty :)



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