Re: Execution of a program in scripting language?

arnold@skeeve.com (Aharon Robbins)
Thu, 21 Jan 2010 18:57:12 +0000 (UTC)

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From: arnold@skeeve.com (Aharon Robbins)
Newsgroups: comp.compilers
Date: Thu, 21 Jan 2010 18:57:12 +0000 (UTC)
Organization: Robbins Family Home Computers
References: 10-01-059 10-01-060
Keywords: interpreter
Posted-Date: 21 Jan 2010 14:54:11 EST

Tony Finch <dot@dotat.at> wrote:
>The Unix shell is even more old-school. It works on the source
>directly, performing a series of substitutions and expansions to
>derive each command that is to be executed.


Not 100% true. The Bourne shell keeps a parse tree since there are
control structures - if, while, for, etc.
--
Aharon (Arnold) Robbins arnold AT skeeve DOT com
P.O. Box 354 Home Phone: +972 8 979-0381
Nof Ayalon Cell Phone: +972 50 729-7545
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