From: DervishD <zsh@dervishd.net>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: Zsh Users <zsh-users@sunsite.dk>
Subject: Re: Is this a side effect of RC_EXPAND_PARAM?
Date: Sun, 4 Dec 2005 09:30:09 +0100 [thread overview]
Message-ID: <20051204083009.GA505@DervishD> (raw)
In-Reply-To: <1051204001616.ZM15244@candle.brasslantern.com>
Hi Bart :)
* Bart Schaefer <schaefer@brasslantern.com> dixit:
> With rcexpandparam the empty element is retained so that it can be
> joined with whatever appears on both sides of the expansion (even
> though in this case that's nothing) so you get the equivalent of
>
> vara=("one" "two" "" "four" "five")
So it's not a side effect nor a bug, it's a feature...
> whereas with it NOT set, the empty element is removed, so you get
>
> vara=(one two four five)
This is what I always get, BTW, if I hit <Tab> to expand the
variable assignment, no matter the status of rcexpandparam. This was
confusing me even more.
> Forcing empty elements to be retained as empty rather than removed
> is one reason the compsys functions have rcexpandparam set.
> Admittedly this ought to be documented, rather than assuming that
> anyone who sets rcexpandparam must be familiar with the semantics
> of the rc shell ...
My problem was that I wasn't associating rcexpandparam with the
rc shell in any way O:) All is clear now, thanks a lot :)))
Raúl Núñez de Arenas Coronado
--
Linux Registered User 88736 | http://www.dervishd.net
http://www.pleyades.net & http://www.gotesdelluna.net
It's my PC and I'll cry if I want to...
prev parent reply other threads:[~2005-12-04 8:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-02 21:04 DervishD
2005-12-04 0:16 ` Bart Schaefer
2005-12-04 8:30 ` DervishD [this message]
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