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Re: Command substitution optimisation in dot scripts


From: Chet Ramey
Subject: Re: Command substitution optimisation in dot scripts
Date: Fri, 30 Sep 2016 18:29:45 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.3.0

On 9/29/16 11:49 PM, Martijn Dekker wrote:
> I detected an oddity (possible bug) in bash: the usual optimisation for
> launching external processes in simple command substitutions is turned
> off while executing a dot script.

Thanks for the suggestion.  I added the optimization to command
substitution in the presence of `.' and eval.

Chet

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



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