Draw a Sierpinski triangle

perl -e 'print "P1\n256 256\n", map {$_&($_>>8)?1:0} (0..0xffff)' | display
OK, not the most useful but a good way to impress friends. Requires the "display" command from ImageMagick.

By: dstahlke
2009-07-08 17:50:23

1 Alternatives + Submit Alt

  • xmas lights for your terminal - switching the $l value to something like 1200 and zooming out on your terminal gives a great view ... Show Sample Output

    perl -le '$l=80;$l2="!" x $l;substr+($l2^=$l2),$l/2,1,"\xFF";{local $_=$l2;y/\0\xFF/ ^/;print;($lf,$rt)=map{substr $l2 x 2,$_%$l,$l;}1,-1;$l2=$lf^$rt;select undef,undef,undef,.1;redo}'
    l3v3l · 2013-06-21 06:00:24 0

What Others Think

Fun! I like it.
kaedenn · 646 weeks and 3 days ago
ftw! dude. r0x0rz
linuxrawkstar · 646 weeks and 3 days ago
Fun ! Nice plotting approach ...
CodSpirit · 646 weeks and 2 days ago
nice, i'd have voted twice because of the extra geek factor if i could ;)
masterofdisaster · 646 weeks and 1 day ago
Commandlinefu isn't always about practicality, it is often about coolness. And this command certainly qualifies.
nitehawk · 646 weeks and 1 day ago
srand · 644 weeks and 5 days ago
go fractals!
bbelt16ag · 644 weeks and 4 days ago
Whoa! I just can't believe I found this site hat tip
yeoyeo · 14 weeks and 6 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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