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Groups > linux.debian.user > #247298

Re: extract values from a string

From <tomas@tuxteam.de>
Newsgroups linux.debian.user
Subject Re: extract values from a string
Date 2022-04-16 18:20 +0200
Message-ID <EcTjr-99Yk-11@gated-at.bofh.it> (permalink)
References <EcGvU-92e4-15@gated-at.bofh.it> <EcT9L-99V9-3@gated-at.bofh.it>
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On Sat, Apr 16, 2022 at 11:01:17AM -0500, Nicholas Geovanis wrote:
> On Fri, Apr 15, 2022, 9:37 PM wilson <info@bigcount.xyz> wrote:
> 
> > Hello
> >
> > in shell script, how can I use regex to extract values from a string?
> > maybe value types transformation should be required.
> >
> >
> > for instance the string: "black berry 12".
> > I want go get the name: black berry [String]
> > the price: 12 [Int]
> >
> 
> So you have programming language skills. Look at the info-command-based doc
> for bash. Read the sections about shell pattern-matching operators. Realize
> that there are more than one type of that. For example the crippled
> filename pattern matching on many commands, not really regular expressions.

FWIW, bash has an =~ operator for regex matching whithin [[ ]]. There are
even special variables to pick up the capturing matches.

Not portable, but arrays (which have been warmly recommended around here)
aren't, either.

Cheers
-- 
t

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Thread

extract values from a string wilson <info@bigcount.xyz> - 2022-04-16 04:40 +0200
  Re: extract values from a string Greg Wooledge <greg@wooledge.org> - 2022-04-16 05:10 +0200
  Re: extract values from a string Nicholas Geovanis <nickgeovanis@gmail.com> - 2022-04-16 18:10 +0200
    Re: extract values from a string <tomas@tuxteam.de> - 2022-04-16 18:20 +0200
      Re: extract values from a string Nicholas Geovanis <nickgeovanis@gmail.com> - 2022-04-16 18:50 +0200
      Re: extract values from a string Greg Wooledge <greg@wooledge.org> - 2022-04-16 19:30 +0200
    Re: extract values from a string Kent West <westk@acu.edu> - 2022-04-17 04:30 +0200
      Re: extract values from a string Greg Wooledge <greg@wooledge.org> - 2022-04-17 05:00 +0200
  Re: extract values from a string David Christensen <dpchrist@holgerdanske.com> - 2022-04-16 21:30 +0200
  Re: extract values from a string Ash Joubert <ash@transient.nz> - 2022-04-17 02:40 +0200
    Re: extract values from a string Ash Joubert <ash@transient.nz> - 2022-04-17 02:40 +0200
    Re: extract values from a string Greg Wooledge <greg@wooledge.org> - 2022-04-17 02:40 +0200
      Re: extract values from a string Ash Joubert <ash@transient.nz> - 2022-04-17 02:50 +0200

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