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<oerjan> learn `rlexp <compressed code> is a command for expanding the rle format fungot ^show\'s for brainfuck code but doesn\'t accept as input.
author HackEso <hackeso@esolangs.org>
date Wed, 20 Nov 2019 06:37:46 +0000
parents b413473a9ec3
children
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#!/usr/bin/perl

# asm2bf label preprocessor.
# C'mon, who doesn't love regexes?

# Released to the public domain by Krzysztof Szewczyk.

$n=0;%o=();$_=do{local$/;<>};s/^[ \t]*@([A-Za-z_]+).*$/$o{$1}=++$n;'lbl '.$n."\n";/gem;
s/(%[A-Za-z_]+|"[^"\n]*%[A-Za-z_]+)/substr($1,0,1)eq'"'?$1:%o{substr$1,1}/ge;print;