[grammarians] s-expression dumper: works

[MenTaLguY]

Ter,

Given Ryan's recent post, I've revisited ParseTree and worked out that
it can, in fact, be usefully used on entire files.

Attached is a very crude script that dumps s-expressions using a more or
less Lisp syntax.  Just a few steps up from "unholy abomination" and
"evil kludge", my script falls neatly under "ugly hack".  But it does
work for pretty much everything save perhaps __DATA__.

First argument is the file to parse and to dump, second argument is the
file to dump to.  If the second argument is omitted, it dumps to stdout.

I've also got this in our Rubyforge CVS, under the 'grammar-test'
module.  (I'm no fan of CVS, but it's what we've got available...)

-mental
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