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Re: Problem with pattern replacing when STRING is an expandable char
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From: |
Andreas Schwab |
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Subject: |
Re: Problem with pattern replacing when STRING is an expandable char |
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Date: |
Wed, 12 Dec 2007 20:53:43 +0100 |
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User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux) |
Heinz-Ado Arnolds <arnolds@MPA-Garching.MPG.DE> writes:
> Repeat-By:
> a=111.1
> echo ${a//[0-9]/x}
>
> correctly gives "xxx.x", but
>
> echo ${a//[0-9]/*}
>
> gives a listing of files in current directory.
Only those that contain a period.
> Seems that the "*"
> is expanded before replacing the pattern.
No, it is expanded afterwards, since filename expansion is carried out
after parameter expansion. You need to quote it properly.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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