Thanks, Johan. I won't bother submitting my module then. I will use
it internally until you release the enhanced Getopt::Long, which I
very much look forward to using.
Ivan
On Tue, May 14, 2002 at 09:09:33PM +0200, Johan Vromans wrote:
> Hi Ivan,
>
> [Quoting Ivan Neulander, on May 14 2002, 11:48, in "Re: registration"]
> > > I have a new version (no release dates, yet) of Getopt::Long in
> > > development that allows option specs like "beta=s" (as usual, exactly one),
> > > "bozo=s{0,1}" (none or one), "mail=s{1,}" (one or more) and so on.
> >
> > That would be useful. Now how about allowing whitespace to separate
> > the args? That would pretty much cover it. :)
>
> "mail=s{1,}" is the spec, meaning "take one more strings". On
> the command line, that would mean
>
> -mail arg1 arg2 ...
>
> > Actually, I have a control variable "$spill" that causes any excess
>
> Ah!
>
> > args for any flag to be interpreted as non-flag args. This setting is
> > off by default (and perhaps it shouldn't be), but if you turn it on,
> > you will never get an error about too many args.
>
> Yes, I think this would be the default.
>
> > In general, the use whitespace separated flag arguments is very common
> > where I work, but perhaps not so elsewhere. I thought it might be a
> > useful option to consider as a public module. Since it is implemented
> > on top of (and therefore 'use's Getopt::Long), I would very much
> > appreciate your feedback.
>
> Well, as I said, I have a development version of Getopt::Long that
> does exactly this, and more. For example "color=s(red,yellow,blue){1,3}"
> would allow the command line argument -color to take one to three
> arguments of the set "red", "yellow" and "blue". Likewise,
> "rgb=i(0..255){3}" allows command line arg -rgb to take exactly three
> numbers between 0 and 255.
>
> However, since I also allow options to take optional arguments the
> semantics and implementations become very complex. For example, with
> "rgb:i(0.255){3}" allows -rgb 127 250 321 but will assign two values
> to rgb because the third is 'out of range' and hence interpreted as a
> non-flag args.
>
> -- Johan
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