From: Pascal Bourguignon <spam@mouse-potato.com>
Subject: Re: Get the content of a list?
Date: Sun, 20 Nov 2005 18:40:15 +0100 [thread overview]
Message-ID: <87k6f3z08w.fsf@thalassa.informatimago.com> (raw)
In-Reply-To: mailman.16026.1132498841.20277.help-gnu-emacs@gnu.org
"Herbert Euler" <herberteuler@hotmail.com> writes:
> Hello everyone,
>
> I'm wanting to create a customized function to
> wrap the standard 'call-process-region'. 'Call-
> process-region' requires several arguments for
> the program it called:
>
> (call-process-region START END PROGRAM &optional DELETE BUFFER
> DISPLAY &rest ARGS)
>
> That is, several strings may be given as ARGS.
> For example, the arguments can be
>
> "1" "2" "3"
>
> But I don't know how to construct this series
> of arguments. I can create a list
>
> ("1" "2" "3")
>
> easily, but don't know how to convert it into
> the former one. Any suggestions?
You can use apply to pass a list as the rest arguments:
(setf args '("1" "2" "3'))
(apply (function call-process-region)
start end program delete buffer display args)
You can also put some or all previous arguments in the list too:
(setf args (list start end program delete buffer display "1" "2" "3'))
(apply (function call-process-region) args)
--
__Pascal Bourguignon__ http://www.informatimago.com/
Nobody can fix the economy. Nobody can be trusted with their finger
on the button. Nobody's perfect. VOTE FOR NOBODY.
next parent reply other threads:[~2005-11-20 17:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.16026.1132498841.20277.help-gnu-emacs@gnu.org>
2005-11-20 17:40 ` Pascal Bourguignon [this message]
2005-11-20 15:00 Get the content of a list? Herbert Euler
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