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Re: Bash parameter expansion (remove largest trailing match, remove largest leading match, pattern replacement) does not work

From Koichi Murase <myoga.murase@gmail.com>
Newsgroups gnu.bash.bug
Subject Re: Bash parameter expansion (remove largest trailing match, remove largest leading match, pattern replacement) does not work
Date 2020-08-30 03:52 +0900
Message-ID <mailman.1722.1598727172.2469.bug-bash@gnu.org> (permalink)
References <CAPyES363zNvUZHWo6imXOyC3UPU5FAbsyFGzWkcJMO-HBhT6gQ@mail.gmail.com> <CAFLRLk_k+J3-Nt9UJ4Fb8c-RewPnVjf_b=ShqGGASG0GmREAhg@mail.gmail.com>

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2020-08-29 23:47 Bruce Lilly <bruce.lilly@gmail.com>:
> Description:
>         Bash parameter expansion (remove largest trailing match,
> remove largest leading match, pattern replacement) does not work

In short, (1) ``octal escape \057'' doesn't have special meaning in
Bash glob patterns.  `[\057]' means just one of a literal backslash or
digits 0, 5, or 7.  (2) You need to set `shopt -s extglob` to use
extended glob patterns like `+(...)' and `*(...)'.  Please look at the
paragraph above the list of extended patterns in the manual.

--
Koichi

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Re: Bash parameter expansion (remove largest trailing match, remove largest leading match, pattern replacement) does not work Koichi Murase <myoga.murase@gmail.com> - 2020-08-30 03:52 +0900

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