Re: case statement with non-consecutive numbers

[Greg Wooledge]

On Thu, Apr 15, 2021 at 01:36:30PM -0400, Daniel Mills wrote:
> On Thu, Apr 15, 2021 at 1:29 PM <pauline-galea@gmx.com> wrote:.
> 
> >
> > Doing more work on this, it looks like using commas also works
> >
> >       case $k in
> >         [1-2,4-5,7])  printf "%-21s" $s   ;;
> >         [3,6,8])      printf "%-21s\n" $s ;;
> >       esac
> >
> > Would that be correct?
> >
> >
> >
> >
>  The commas aren't needed, now if "$k" is a comma it will also match the
> pattern. Simply [368] or [1-24-57] is what you want there

And for the record, [1-2] and [12] are the same, so you can remove the
hyphens as well.  You need a range of at least 3 characters in a row
for the hyphen to break even, and 4 for it to actually shorten the glob.