Re: bash parameter expansion "doesn't like" dots?
On Sun 03 Mar 2024 at 17:58:53 (-0600), Albretch Mueller wrote:
> bash doesn't seem to like dots too close to brackets:
>
> echo "${_VAR//[^0-9a-zA-Z.,_-]/}"
>
> works fine.
>
> On 3/3/24, Albretch Mueller <lbrtchx@gmail.com> wrote:
> > _VAR="admissions.piedmont.edu_files?trackid=wnm:1980&PDFfiller=what-is-the-second-fundamental-theorem-of-calculus(1).pdf"
> >
> > echo "${_VAR//[^a-zA-Z0-9_-]/}"
> >
> > echo "${_VAR//[^a-zA-Z0-9_-.]/}"
↑↑↑
That's a range, except that it isn't because it's written backwards.
Check for yourself by testing with 9-0 instead of 0-9.
Cheers,
David.
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