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Re: bash: variables inside 'while'
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From: |
Paul Jarc |
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Subject: |
Re: bash: variables inside 'while' |
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Date: |
Fri, 31 Aug 2001 11:25:48 -0400 |
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User-agent: |
Gnus/5.090004 (Oort Gnus v0.04) Emacs/20.7 |
zach@cs.uni-bonn.de (Gabriel Zachmann) wrote:
> On Thu, 30 Aug 2001 12:11:56 -0400, Paul Jarc <prj@po.cwru.edu> wrote:
>> while read p l; do ...; done < file; echo xx=$xx
>> (but that will still break on some other sh'es.)
>
> One more thought:
>
> Your latter suggestion does not work when one wants to do something like
>
> cat file | sed ... | while read ....
This will work:
while read ... done < <(cat file | sed ...)
But it will break on even more other sh'es. I think. Dunno if that
matters to you.
paul