On Mon, Oct 08 2012, Tassilo Horn wrote:
> Bob Shanley <rjshanle
...@gmail.com> writes:
> Hi Bob,
>> ; These do not:
>> ; (defun eol ( ) (end-of-line) (point))
>> ; (search-forward ");" (eol))
>> ; (let ( (n (eol)) ) (message "this is the value %d" n) (search-forward ");" n))
>> ; They result in a Search failed: ");" and point moves to end of line
>> ; What am I missing?
> The `end-of-line' call already moves point to the end of line, thus you
> bound the search to the same position where it starts. Try this
> definition of `eol'.
> (defun eol ()
> (save-excursion
> (end-of-line)
> (point)))
> ,----[ C-h f save-excursion RET ]
> | save-excursion is a special form in `C source code'.
> |
> | (save-excursion &rest BODY)
> |
> | Save point, mark, and current buffer; execute BODY; restore those things.
> | Executes BODY just like `progn'.
> | The values of point, mark and the current buffer are restored
> | even in case of abnormal exit (throw or error).
> | The state of activation of the mark is also restored.
> |
> | This construct does not save `deactivate-mark', and therefore
> | functions that change the buffer will still cause deactivation
> | of the mark at the end of the command. To prevent that, bind
> | `deactivate-mark' with `let'.
> |
> | If you only want to save the current buffer but not point nor mark,
> | then just use `save-current-buffer', or even `with-current-buffer'.
> `----
> Bye,
> Tassilo
