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Date: Wed, 18 Oct 2000 10:39:59 -0400
From: Chet Ramey <chet AT nike DOT ins DOT cwru DOT edu>
To: andy DOT philpotts AT calendarcentral DOT com
Subject: Re: getopts in functions
Cc: cygwin AT sourceware DOT cygnus DOT com
Reply-To: chet AT po DOT CWRU DOT Edu
Message-ID: <1001018143959.AA05597.SM@nike.ins.cwru.edu>
Read-Receipt-To: chet AT po DOT CWRU DOT Edu
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X-In-Reply-To:  Message from andy DOT philpotts AT calendarcentral DOT com of Tue, 17 Oct 2000 18:03:27 -0400 (id <122102925068 DOT 20001017180327 AT calendarcentral DOT com>)

> Should getopts work correctly in functions? I find if I try that if I
> get an error processing the options, then retry the function, it seems
> to get confused.
> 
> Do I have to do something explicit to reset getopts?

Yes.  The bash manual page says

	The shell does not reset OPTIND automatically; it must be
	manually reset between multiple calls to getopts within the
	same shell invocation if a new set of parameters is to be used.

`Resetting OPTIND' means to assign it the value 1.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet)

Chet Ramey, CWRU    chet AT po DOT CWRU DOT Edu    http://cnswww.cns.cwru.edu/~chet/

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