Parsing options in the form "-C8"

[irenezerafa]

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐

On Wednesday, November 17th, 2021 at 2:52 PM, Greg Wooledge <greg@wooledge.org> 
wrote:

> On Wed, Nov 17, 2021 at 09:37:09AM -0500, Chet Ramey wrote:
>
> > On 11/16/21 6:29 PM, irenezerafa wrote:
> >
> > >     ("-C"*)
> > >       usg="${1#*C}"

> > You might want to use `-C' as the pattern instead of` *C', which would do
> > the wrong thing if the rest of the string were to contain a `C'.

> That's only an issue if they used ## instead of # there. On the other
> hand, using *C to match a known prefix of -C seems inefficient.

That's a fair point.  I shall modify it.