[nycbug-talk] nifty(1)

[Matthew Story]

... you just made my morning sir ... that is awesome ... 

On Dec 15, 2011, at 1:00 AM, Eitan Adler wrote:

> This is a fun one:
> 
> % function try_this_in_zsh {
> local lines columns colour a b p q i pnew
> ((columns=COLUMNS-1, lines=LINES-1, colour=0))
> for ((b=-1.5; b<=1.5; b+=3.0/lines)) do
> for ((a=-2.0; a<=1; a+=3.0/columns)) do
> for ((p=0.0, q=0.0, i=0; p*p+q*q < 4 && i < 32; i++)) do
> ((pnew=p*p-q*q+a, q=2*p*q+b, p=pnew))
> done
> ((colour=(i/4)%8))
> echo -n "\\e[4${colour}m "
> done
> echo
> done
> }
> -- 
> Eitan Adler
>