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Re: read builtin. input processes improperly inheriting IFS setting


From: Andreas Schwab
Subject: Re: read builtin. input processes improperly inheriting IFS setting
Date: Fri, 26 Jul 2013 22:55:22 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Greg Wooledge <wooledg@eeg.ccf.org> writes:

> Do you mean variable expansions?

No, I mean what I write.

> Here's the code in question, simplified even further:
>
> imadev:~$ unset IFS
> imadev:~$ foo=a/b/c
> imadev:~$ cat < <(echo $foo)
> a/b/c
> imadev:~$ IFS=/ cat < <(echo $foo)
> a b c
>
> Clearly the IFS assignment is affecting the expansion of $foo inside
> the process substitution. 

That's the bug.  Please read 2.9.1 Simple Commands.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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