From: Lennart Borgman <lennart.borgman.073@student.lu.se>
Cc: emacs-devel@gnu.org
Subject: Re: read-file-name: resulting file name must satisfy predicate ?
Date: Wed, 29 Mar 2006 23:28:42 +0200 [thread overview]
Message-ID: <442AFC0A.2050807@student.lu.se> (raw)
In-Reply-To: <e0eti1$tsr$1@sea.gmane.org>
Kevin Rodgers wrote:
> Lennart Borgman wrote:
>> The doc string for `read-file-name' says
>>
>> If optional sixth arg predicate is non-nil, possible completions and
>> the resulting file name must satisfy (funcall predicate NAME).
>>
>> However testing with
>>
>> (read-file-name "File: " nil nil nil nil (lambda(name)
>> (string-match "wantname")))
>>
>> and entering some characters for the file name and then pressing
>> <RET> just seem to return whatever the mini-buffer shows. Maybe this
>> is correct. The doc string could be read as "resulting file name from
>> completion". But it is in my opinion still unclear and a bit unexpected.
>>
>> This is on w32. GNU Emacs 22.0.50.1 (i386-mingw-nt5.0.2195) of
>> 2006-03-28.
>
> Does it work if you pass the required second arg to string-match:
>
> (read-file-name "File: " nil nil nil nil
> (lambda (name) (string-match "wantname" name)))
Oh, sorry. I should train my cut-and-paste. ;-) -- but no. It is still
the same behaviour.
>
> I don't think "resulting from completion" is relevant when MUSTMATCH
> (the fourth arg) is nil.
>
Yes, you are right. But do you get the same behaviour as me?
prev parent reply other threads:[~2006-03-29 21:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-29 19:09 read-file-name: resulting file name must satisfy predicate ? Lennart Borgman
2006-03-29 21:17 ` Kevin Rodgers
2006-03-29 21:28 ` Lennart Borgman [this message]
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