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Re: string func to use in .emacs

From: Peter Wu
Subject: Re: string func to use in .emacs
Date: Sun, 25 Jan 2004 22:16:02 -0500
User-agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.3.50 (gnu/linux)

On Mon, 26 Jan 2004 01:44:45 +0100, Jesper Harder wrote:

> Peter Wu <address@hidden> writes:
>> On Sun, 25 Jan 2004 18:45:05 +0100, Mario Domgörgen wrote:
>>> ,----[ C-h f delete-trailing-whitespace RET ]
>>> Look at this function to start with....
>> This function seems to trim the trailing whitespaces in a
>> buffer. How can I use it to trim a string variable?

> A common idiom when you have a function that works in a buffer and
> want to apply it to a string is to use a temporary buffer:

> (defun string-trim-right (str)
>   (with-temp-buffer
>     (insert str)
>     (delete-trailing-whitespace)
>     (buffer-string)))

I tried to use the func and got an error:

  Symbol's value as variable is void: string-trim-right

My code:

(string-trim-right("Emacs "))
=> "Emacs" (the expected output)

      (o o)       Peter Wu
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