Re: Handling options with optional arguments with getopts

[Lawrence Velázquez]

On Fri, Aug 27, 2021, at 1:20 PM, nigelberlinguer wrote:
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Friday, August 27, 2021 4:02 PM, Robert Elz <kre@munnari.OZ.AU> wrote:
> > XBD 12.2 guideline 7 is:
> >
> > Guideline 7: Option-arguments should not be optional.
> >
> > That is, if you want to be able to give an option arg, or not give one,
> > those should be implemented as 2 separate options.
> 
> It should be noted though, that the POSIX requirement by "Guideline 7"
> is not guided by actual portability in the technical sense but by a
> rule written in the POSIX standard.  Perhaps there should be an update
> to POSIX on what is actually portable or not

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vq