[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
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
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."