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Re: bash 3.2.51, ERR traps and subshells

From: Chet Ramey
Subject: Re: bash 3.2.51, ERR traps and subshells
Date: Tue, 22 Jun 2010 21:45:12 -0400
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On 6/22/10 3:10 PM, Andres P wrote:

>> The exit status of the command substitution will ultimately be ignored
>> because it's part of an assignment statement on the LHS of a || list, so
>> the commands run in the command substitution inherit that state.
> Thanks, this behaviour seemed strange to me.
> Although eventually the outer `||' list taking precedence over contained
> subshells will seem natural in my use cases. It's more consistent.

Actually, the command substitution case was always the oddball.  Explicit
subshells using (...), for instance, always behaved this way.


``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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