Useless .... of course !

[Gloom]

Ok, this is no realy a japh but I doubt you can do shorter and more useless ! I'm joking dude ... I know you can't :)

#!/usr/bin/perl -w

use strict;
#require "vt100 complilant terminal :)";

print "\033[2J";

# really start here

for( my($a,$x,$y,@s)=qw(40 1 0 0 1 0 -1);$a--;push@s,shift@s)
{ print "\033[",$x+=$s[0] ,";",$y+=$s[1] ,"H\@" for (0..$a) }

_________________________
Perl Enshrine Real Life

[arhuman]

It's been a game between Gloom and me, but may be you may like it too !

So, If you're interested in Perl golf, come on and join the contest...
Let's turn this 'useless code' into 'shortest useless code'
(RULE: Reproduce the spiral made by gloom with the fewest char.
the screen cleaning, shebang and the like aren't necessary...)

Here is my contribution (84 char):


$n=20;$i=1;while($n){map{print"\e[$a;${b}H@";${$n>$_?*b:*a}+=$i}1..2*(
+$n-=2);$i*=-1}



PS: For a really impressive PerlGolf example see this.


"Trying to be a SMART lamer" (thanx to Merlyn ;-)

[BooK]

I am sorry to disappoint you, arhuman, but the following is not shorter (94 bytes, darn scalar)... But well, it's recursive... and just another way to do it.

<code> sub _{($x,$_)=@_;s/(.*)\n/\n $1@/g;$x>40?x:_($x+2,scalar reverse'@'x$x."\n$_\n".$"x$x)}_;print <code>

Change the 40 for smaller or bigger spirals...

[arhuman]

Interesting !

the recursive branch is now open..


"Trying to be a SMART lamer" (thanx to Merlyn ;-)

[Gloom]

82 ! switching from while to for and saving 2 characters :


for($n=20,$i=1;$n;$i*=-1){map{print"\e[$a;${b}H@";${$n>$_?*b:*a}+=$i}1
+..2*($n-=2)}


__________________
Hope this helps

[bobione]

Good Job arhuman,
I don't know if I can write a smaller one but I'm sure it's possible.

Let's try !

BoBiOne

[arhuman]

81! You had a good idea Gloom, I just enhanced it...
:-p


for($n=36,$i=1;$n-=4;$i*=-1){map{print"\e[$a;${b}H@";${$n/2>$_?*b:*a}+
+=$i}1..$n}


"Trying to be a SMART lamer" (thanx to Merlyn ;-)