Re: getopts: OPTARG should be unset after last option

[Chet Ramey]

Len Lattanzi wrote:

> On Jun 23, 2004, at 11:10 AM, Chet Ramey wrote:
>
> > As POSIX specifies.  Why do you think it should not be?
> >
> > Chet
>
>
>  From http://www.opengroup.org/onlinepubs/009695399/utilities/getopts.html
> When the option requires an option-argument, the getopts utility shall 
> place it in the shell variable OPTARG . If *no option was found*, or if 
> the option that was found does not have an option-argument, OPTARG shall 
> be *unset*.

I believe that the operative paragraph is the one that begins
"When the end of options is encountered".  It does not specify
that OPTARG be unset.  I will take a look, though.

Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet )
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Chet Ramey, ITS, CWRU    chet@po.cwru.edu 
http://tiswww.tis.cwru.edu/~chet/