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Re: regexp / replacement for variable
From: |
Joakim Hove |
Subject: |
Re: regexp / replacement for variable |
Date: |
Tue, 24 Feb 2004 15:03:10 +0100 |
User-agent: |
Gnus/5.1003 (Gnus v5.10.3) Emacs/21.3.50 (gnu/linux) |
Kevin Dziulko <weaselboy1976@yahoo.com> writes:
> depending on the given filename.
>
> I put the following to my .emacs file:
>
> (defun new-c-header ()
> "Insert c-header skeleton."
> (interactive "")
> (progn
> (setq bname (upcase(buffer-name)))
> (insert
> (message "#ifndef %s\n\#define %s\n\n#endif"
> bname bname))))
The (progn ) construction in your code is superfluous.
Suggestion:
use (let ) to define variables with local scope, in your
implementation the variable bname will be defined and visible for the
complete remaining emacs session.
(let ((bname (upcase (buffer-name)))
(var2 "value for var2))
...
...
... )
> Apart from knowing that "message" might not be the right
> choice here
That is right - (message ..) prints the contents in the minibuffer. Insert
should do the job:
(insert (format "#ifndef %s\n#define %s\n\n#endif bname bname))
> , I don't know how to modify the value of bname!? "replace-regexp"
> doesn't seem to be the what I'm looking for.
I don't understand what changes you want to make to bname. Maybe the
(string-match ..) / (match-string ...) functions provide the
functionality you are after?
> (and how could the new-c-header() be invoked by creating a
(add-hook 'c-mode-hook 'new-c-header)
will call new-c-header *every* time you open a .c/.h file, i.e. also
if it is an existing file. Maybe if you start new-c-header like this:
...
(if (= (point-min) (point-max))
(let ((bname ...
...
Warning - there are probably more elegant ways to check whether a file
is new or not.
HTH - Joakim
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