Re: How to modify 'write-file'

[Thierry Volpiatto]

Kevin Rodgers <kevin.d.rodgers@gmail.com> writes:

> Pascal J. Bourguignon wrote:
> ...
>> Sorry, I assumed you were already a seasoned emacs lisp programmer.
>> Here are detailed instructions:
>>
>> 1- Find the sources of write-file, type:
>>      C-h f write-file RET    C-x o   TAB    RET
>>
>> 2- Copy and paste the defun write-file form to the *scratch* buffer:
>>      C-SPC C-M-f M-w  C-x b *scratch* RET  RET C-y  C-M-b
>>
>> You get this in the *scratch* buffer:
> ...
>> 3- Replace the interactive form in this defun by the one I provided:
>>
>>     (interactive
>>      (list (if buffer-file-name
>>                (read-file-name "Write file: " default-directory
>>                                (expand-file-name
>>                                 (file-name-nondirectory (buffer-name))
>>                                 default-directory)
>>                                nil
>>                                 (buffer-name))
>>                (read-file-name "Write file: " default-directory
>>                                (expand-file-name
>>                                 (file-name-nondirectory (buffer-name))
>>                                 default-directory)
>>                                nil nil))
>>            (not current-prefix-arg)))
>>
>> so that you get:
> ...
>> 4- Evaluate this defun, for example positionning the cursor after it,
>>    and typing C-x C-e.
>>
>> 5- Use the new write-file.
>>
>>
>> If you want to keep this version of write-file, you can copy-and-paste
>> it into your ~/.emacs file.
>
> (defadvice write-file (before interactive-default activate)
>   "Insert the default in the minibuffer when reading FILENAME."
>   (interactive
>    (let ((default-filename (or buffer-file-name
>                              (expand-file-name
>                               (file-name-nondirectory (buffer-name))
>                               default-directory))))
>      (list (read-file-name "Write file: "
>                          default-directory default-filename nil
>                          (file-name-nondirectory default-filename) nil)
>          (not current-prefix-arg)))))

See also `anything-write-file' that is included in anything-config.el.

-- 
Thierry Volpiatto
Gpg key: http://pgp.mit.edu/