alias w proc s=w{|x|w{|y|w{|z|x[z][y[z]]}}} i=s[k=w{|x|w{|y|x}}][k] def r c=$<.getc c<?a?"#{r}[#{r}]":c.chr end loop{p eval(r)[w{|x|x+1}][0] getc}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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