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Re: bash parameter expansion "doesn't like" dots?

From David Wright <deblis@lionunicorn.co.uk>
Newsgroups linux.debian.user
Subject Re: bash parameter expansion "doesn't like" dots?
Date 2024-03-04 02:10 +0100
Message-ID <Ie505-efMg-1@gated-at.bofh.it> (permalink)
References <Ie505-efMg-3@gated-at.bofh.it> <Ie3Ul-eeVB-5@gated-at.bofh.it> <Ie3Ul-eeVB-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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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Thread

Re: bash parameter expansion "doesn't like" dots? Albretch Mueller <lbrtchx@gmail.com> - 2024-03-04 01:00 +0100
  Re: bash parameter expansion "doesn't like" dots? David Wright <deblis@lionunicorn.co.uk> - 2024-03-04 02:10 +0100
    Re: bash parameter expansion "doesn't like" dots? John Crawley <john@bunsenlabs.org> - 2024-03-04 04:10 +0100
      Re: bash parameter expansion "doesn't like" dots? David Wright <deblis@lionunicorn.co.uk> - 2024-03-04 21:30 +0100
        Re: bash parameter expansion "doesn't like" dots? John Crawley <john@bunsenlabs.org> - 2024-03-05 03:00 +0100
          Re: bash parameter expansion "doesn't like" dots? Greg Wooledge <greg@wooledge.org> - 2024-03-05 03:10 +0100
            Re: bash parameter expansion "doesn't like" dots? John Crawley <john@bunsenlabs.org> - 2024-03-05 03:30 +0100
              Re: bash parameter expansion "doesn't like" dots? Greg Wooledge <greg@wooledge.org> - 2024-03-05 04:00 +0100
                Re: bash parameter expansion "doesn't like" dots? David <bouncingcats@gmail.com> - 2024-03-05 06:30 +0100
                Re: bash parameter expansion "doesn't like" dots? Max Nikulin <manikulin@gmail.com> - 2024-03-05 12:40 +0100
            Re: bash parameter expansion "doesn't like" dots? Max Nikulin <manikulin@gmail.com> - 2024-03-05 03:40 +0100
              Re: bash parameter expansion "doesn't like" dots? John Crawley <john@bunsenlabs.org> - 2024-03-05 04:00 +0100

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