[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: piped functions cannot set variables
From: |
Chet Ramey |
Subject: |
Re: piped functions cannot set variables |
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/