Re: Search for selected tex

[Thierry Volpiatto <thierry.volpiatto@gmail.com>]

"Lennart Borgman (gmail)" <lennart.borgman@gmail.com> writes:

> Lorenzo Isella wrote:
>> Dear All,
>> I would like to be able to select some text with C-space and then
>> look for it inside the buffer.
>> I found some functions online which I modified to get:
>>
>> ;; a function to search the selected text
>>
>> (defun my-search-forward (begin end)
>>  (interactive (list (point) (mark)))
>>  (let ((text (filter-buffer-substring begin end nil t)))
>>    (goto-char (max begin end))
>>    (let ((found-pos (search-forward text nil t)))
>>      (if (not found-pos)
>>          (progn
>>            (goto-char begin)
>>            (error "not found"))
>>          (progn
>>            (goto-char found-pos)
>>            (set-mark (- found-pos (length text))))))))
>>
>>
>> (define-key global-map [(control q )] 'my-search-forward)
>>
>>
>> It is almost there but not yet...
>> If I highlight some text, I can look for it with C-q, but once at
>> the end of the buffer, it stops searching (whereas I would like it
>> to search from the beginning of the buffer).
>> If then I move to the beginning of the buffer, not everything above
>> my last position is selected, but also the function loses memory of
>> what I was looking for...
>> Anybody can give me some help? Apologies if there is already and
>> emacs command for that, but my online search was not fruitful.
>> Cheers
>
>
> There is some code for similar wishes in
>
>   http://www.emacswiki.org/cgi-bin/wiki/SearchAtPoint
>
>

You can also use isearch-forward like that:
put the point at begining of text and then hit C-s C-w C-w C-w ....
until you are at the end of text and then C-s C-s ...etc...
-- 
A + Thierry
Pub key: http://pgp.mit.edu