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Re: BASH_ARG{C,V} set when sourcing, even without extdebug


From: Chet Ramey
Subject: Re: BASH_ARG{C,V} set when sourcing, even without extdebug
Date: Tue, 10 Nov 2015 09:31:29 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

On 11/10/15 1:59 AM, Grisha Levit wrote:
> It looks like the source builtin pushes its own argc and argv onto the arrays 
> but only if it is called with no other arguments.

Yes, bash has always done this as a convenience.  This is a way to get the
name of the sourced file in the common case.

When given additional arguments, bash sets BASH_ARGC and BASH_ARGV only
when debugging mode is in effect.

-- 
``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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