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Re: Command substitution and errexit

From: Greg Wooledge
Subject: Re: Command substitution and errexit
Date: Mon, 15 Oct 2012 17:08:23 -0400
User-agent: Mutt/

On Tue, Oct 16, 2012 at 12:01:56AM +0300, Nikolai Kondrashov wrote:
> I'm trying to implement a pair of functions that would save/restore option
> state onto/from a stack, so I could modify options temporarily for some 
> parts
> of code. I've worked around this problem already and it is not the subject
> of the original message. I just wanted to know if errexit being forced off 
> in
> a command substitution was inteded or if it was a bug and needed fixing.

Sidestepping the direct question for a moment, you could use a temporary
file instead of a command substitution to store the output.  Then there
would be no subshell involved.

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