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Re: read builtin and readonly variables

From: Dennis Williamson
Subject: Re: read builtin and readonly variables
Date: Tue, 4 Jan 2011 00:55:23 -0600

On Tue, Jan 4, 2011 at 12:41 AM, Jan Schampera <address@hidden> wrote:
> Hello list,
> the read builtin command, when trying to assign to a readonly variable after
> reading the data, spits an error message. This is fine.
> But the return status is 0. It "always" (down to 2.04 was tested) has been
> like that, and it's like that in upcoming 4.2.
> For me, this doesn't make sense. The read may have been successful, but the
> data is gone. It would make sense to return !=0 here, IMHO.
> I also quickly cross-read POSIX, since such weirdness usually comes from
> there ;-) but I didn't see anything obvious.
> Regards,
> Jan
> --
> Be conservative in what you do, be liberal in what you accept from others.
> - jbp, master of the net, in RFC793

Dash, Ash and Ksh93 return non-zero. Zsh returns 0.

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