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Re: fd leak with {fd}>

From: Chet Ramey
Subject: Re: fd leak with {fd}>
Date: Mon, 26 Nov 2012 08:37:58 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:16.0) Gecko/20121026 Thunderbird/16.0.2

On 11/23/12 2:04 AM, Pierre Gaston wrote:

> It seems rather counter intuitive that the fd is not closed after leaving
> the block.
> With the normal redirection the fd is only available inside the block
> $ { : ;} 3>&1;echo bar >&3
> -bash: 3: Bad file descriptor 
> if 3 is closed why should I expect {fd} to be still open?

Because that's part of the reason to have {x}: so the user can handle the
disposition of the file descriptor himself.

``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/

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