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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" <dearvoid@gmail.com> 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, schwab@linux-m68k.org
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