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Re: Strange behavior of IFS?


From: Andreas Schwab
Subject: Re: Strange behavior of IFS?
Date: Thu, 15 Apr 2010 16:14:47 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

"Clark J. Wang" <address@hidden> writes:

> Look at following result:
>
> # cat foo.sh
> string=aa:bb:cc
> oldIFS=$IFS
> IFS=:
> for i in "$string"; do
>     echo $i
> done
> IFS=$oldIFS
> # bash foo.sh
> aa bb cc
> #
>
> I don't understand why the $string was still splitted into words since
> it's double quoted. Anyone can give a reasonable explanation?

It's not "$string" that was split, but rather $i.

Andreas.

-- 
Andreas Schwab, address@hidden
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