Re: Re: Re: wishlist: mandatory parameters

T wrote:
> On Sun, 01 Oct 2006 13:55:07 +0200, Papp Gyozo (VBuster) wrote:
> 
>>> I want, with the help of "mandatory parameter", it can be:
>>>
>>>   Usage: sample1 [OPTIONS]... SOURCE DEST
>>>
>>>   SOURCE mandatory parameter to ...
>>>   DEST ... copy SOURCE to DEST
>> Actually SOURCE and DEST is called unnamed options in gengetopt because as
> 
> I search for the keyword "unnamed" in the manual but didn't find anything.
> 
>> hint: gengetopt --help | grep -i unname
> 
> returns nothing.

it's a "unamed" :-)

> 
>> I think what you really want is to be able to name some of the unnamed
>> options (SOURCE & DEST) and to use those as a normal mandatory
>> parameters. If those are missing prgram exits with failure. Am I right?
> 
> Yes. 
> 
> But I guess it is hard to implement naming those unnamed options, and
> I think it is better to let the main program handle the stored
> parameters in the array 'inputs' of the args_info structure, not gengetopt. 

if you try the candidate release I was talking about in my previous 
posts you can specify the usage string in order to get

Usage: sample1 [OPTIONS]... SOURCE DEST

> 
> What gengetopt can do, however, is to document those mandatory parameters.
> After all that's the on-line help that users see. If they are not
> documented in the on-line help, for the 99% of people who don't read man
> pages, they have to try-and-error to know what parameters are mandatory.

yes the mandatory options (those with names like --input, -a, etc.) are 
now (in the candidate release whose url I sent in my previous post) 
printed in the output of help (provided that --show-required is passed 
to gengetopt as a parameter)

hope to hear from you soon
cheers
	Lorenzo

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|  Lorenzo Bettini          ICQ# lbetto, 16080134     |
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