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From: Bart Schaefer <schaefer@brasslantern.com>
Message-id: <130117074913.ZM23389@torch.brasslantern.com>
Date: Thu, 17 Jan 2013 07:49:13 -0800
In-reply-to: <87ip6veub2.fsf@lwm.klanderman.net>
Comments: In reply to Greg Klanderman <gak@klanderman.net>
 "Re: array prepend" (Jan 17,  9:52am)
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Subject: Re: array prepend
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On Jan 17,  9:52am, Greg Klanderman wrote:
}
} Ahh OK, I see when SHWORDSPLIT is on, VAR+=$x does not perform
} splitting on $x but VAR+=($x) does.

Also when $x is an array, VAR+=$x does joining ...
 
} you can already use += on associative arrays

Caught me on another detail I'd forgotten.  So I guess I have no real
preference for []+= or ++= as a syntax.