Hello World fails

[rdebath]

This program should print "Hello World!"

arch the i the use linux the way i arch the i arch arch arch i the arch
arch arch arch arch arch arch arch arch arch arch i way the i way linux
the use way i linux way way arch arch arch arch arch arch arch arch arch
arch use way i i i i i i linux linux linux linux btw use use arch arch
arch btw use linux btw btw arch arch arch btw use linux btw i i i btw
use use btw arch arch arch btw linux linux linux linux linux linux btw i
linux btw use use arch btw use btw

Here's a working "interpreter".

#!/usr/bin/ruby
h = {
    'i' => 'p+=1;',
    'use' => 'p-=1;',
    'arch' => 'm[p]+=1;',
    'linux' => 'm[p]-=1;',
    'btw' => 'putc m[p];',
    'by' => 'm[p]=STDIN.getbyte if !STDIN.eof;',
    'the' => '(',
    'way' => ')while((m[p]&=255)!=0);',
    'gentoo' => 'print "\n",m,"\n";'
}

r = Regexp.union(Regexp.union(h.keys.sort{|a,b|b.length<=>a.length}),/./);
eval 'm=Hash.new(p=0);'+ARGF.read.gsub(/;.*$/,'').gsub(/[\n\t ]+/," ").gsub(r,h);

[overmighty]

Thanks for reporting this. When the interpreter encountered a loop and the value at pointer was already null, it failed to skip the loop properly if it had nested loops. This is now fixed.

[rdebath]

Confirmed, works nicely.

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