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Re: sh portability questions


From: Paul Eggert
Subject: Re: sh portability questions
Date: Tue, 27 Sep 2005 15:36:06 -0700
User-agent: Gnus/5.1007 (Gnus v5.10.7) Emacs/21.4 (gnu/linux)

Andreas Schwab <address@hidden> writes:

> Paul Eggert <address@hidden> writes:
>
>> Assuming you don't need recursion, here's a thought.  Use "local", but
>> stick to the convention that all variable names are unique.  On
>> systems that don't support "local", define a function named "local"
>> that warns if any of its arguments is a variable whose value is set;
>
> That would also (spuriously) warn if you call a function with local
> variables a second time, unless you explicitly unset the local variables
> before returning.

Ouch.  You're right.

I guess the best we can do is define a function "local" that does nothing.




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