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Re: [Help-bash] Why bash has two sets of options (controlled by `set' an

From: Chet Ramey
Subject: Re: [Help-bash] Why bash has two sets of options (controlled by `set' and `shopt')
Date: Mon, 26 Oct 2015 12:24:46 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

On 10/26/15 11:32 AM, Eduardo A. Bustamante López wrote:
> On Mon, Nov 09, 2015 at 09:38:51PM +0800, ziyunfei wrote:
>> But some options like "keyword", "onecmd" and "errtrace" are not in the 
>> POSIX standard.
> That's true. I don't know the answer to that. Let's wait for Chet to reply.

They exist so all the single-letter `set' options have `set -o'
equivalents.  I added `set -E' (errtrace) so it would be parallel to
`set -e'; it's not in Posix.  If I had to do it again, I probably would
not add it to `set' at all.

``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden

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