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Re: piped functions cannot set variables
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From: |
Chet Ramey |
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Subject: |
Re: piped functions cannot set variables |
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Date: |
Thu, 19 Dec 2002 08:13:28 -0500 |
> under sh and ksh the following code echos 1
>
> fred() { A=1; } ; unset A ; echo hello | fred ; echo $A
>
> this does not work in bash.
Read the Bash FAQ, question E4.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet )
Chet Ramey, ITS, CWRU chet@po.CWRU.Edu http://cnswww.cns.cwru.edu/~chet/