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List:       ast-users
Subject:    [ast-users] A couple of things
From:       zmsjeu47-kshtjdoyle () yahoo ! com (Terrence J !  Doyle)
Date:       2005-12-03 1:27:22
Message-ID: 43913927.5080100 () yahoo ! com
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David Korn wrote:

>>First:
>>
>>ksh88 -c 'getopts x opt +x; print "$opt"'
>>+x
>>ksh93 -c 'getopts x opt +x; print "$opt"'
>>?
>>
>>The man page still says that + can be used for option introduction.
>>    
>>
>ksh93 requires that the option string start with a + (or :+) to
>allow options beginning with +.  This is documented in the New KornShell
>Command and Programming Language book.  I will fix the other documentation.
>	ksh93 -c 'getopts +x opt +x; print "$opt"'
>will work.
>  
>
When I type:

$ getopts --man

the following appears regarding including + and : in optstring:

              If the leading character  of  optstring  is  +,  then  
arguments
              beginning with + will also be considered options.

              A  leading : character or a : following a leading + in 
optstring
              affects the way errors are handled. ...

It's been my experience that :+ at the beginning of optstring produces 
the desired results as you indicate above. However, getopts --man seems 
to say, incorrectly, that +:  is the sequence.

While I'm on the subject of getopts documentation, it looks like there's 
another misprint in the statement:

              If OPTARG is set to the value 1, a new set of arguments  
can  be
              used.

Shouldn't that be OPTIND instead of OPTARG?

Both of these appear in ksh Version M 1993-12-28 q.

>>Both of these occur in "Version M 1993-12-28 o" under OpenServer and
>>"Version M 1993-12-28 r-" under OS X.
>>
>>	John
>>-- 
>>John DuBois	johnd@sco.com	KC6QKZ/AE
>>I wish to God these calculations had been executed by steam. - Charles Babbage
>>_______________________________________________
>>ast-users mailing list
>>ast-users@research.att.com
>>https://mailman.research.att.com/mailman/listinfo/ast-users
>>
>>    
>>
>
>David Korn
>dgk@research.att.com
>_______________________________________________
>ast-users mailing list
>ast-users@research.att.com
>https://mailman.research.att.com/mailman/listinfo/ast-users
>  
>
Terrence J. Doyle

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