Re: [dev] Re: [dev] Usage, -h, --help, help, synopsis, …

From: pancake <>
Date: Wed, 18 Aug 2010 00:19:34 +0200

Plan9 getopt replacement is quite nice. I recommend the reading. Maybe a port would be good. Dunno if its in 9base.. But it should be enought with a .h and few defines

----- Original message -----
> Hey,
> > Options without values are combined? Is that correct?
> Can be. Though, many suckless projects don't accept this and use, eg,
> strcmp(argv[i], "-sb"). A number of non-suckless programs are similar.
> > usage: flo [-cr id] [-ft date] …
> This would lead me to think that there were options '-cr' and '-ft'.
> Separating them would be better.
> > Is it valid for an option to have an optional argument?
> Depends what you mean by "valid". It's extremely weird. You'd have to
> process the next argument to determine whether it is another flag or a
> value for the current option. It would also be very confusing to use.
> I'd avoid it if I were you.
> I spent some time thinking about this for dmenu. Its usage wraps to 80
> columns, has lists flags separately first. Regarding '-h' flags, just
> make sure you don't create another meaning for '-h' and using it will
> automatically spark usage.
> cls
Received on Wed Aug 18 2010 - 00:19:34 CEST

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