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Re: IFS as the control variable in a for loop


From: Chet Ramey
Subject: Re: IFS as the control variable in a for loop
Date: Sun, 8 May 2016 20:24:16 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.0

On 5/2/16 3:06 PM, Grisha Levit wrote:
> When in a non-interactive shell, IFS, when modified as the control variable
> in a for loop does not change splitting behavior.
> $ bash -c 'for IFS in .; do printf "%s\n" "$IFS" "$*"; done' bash x x
> .
> x x
> 
> $ bash -ic 'for IFS in .; do printf "%s\n" "$IFS" "$*"; done' bash x x
> .
> x.x

Thanks for the report; this is an easy fix.  The fix will be in bash-4.4.

Chet
-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/



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