Re: what can I do with regexp match?

["Lennart Borgman (gmail)" <lennart.borgman@gmail.com>]

Seweryn Kokot wrote:
> "Lennart Borgman (gmail)" <lennart.borgman@gmail.com> writes:
> 
>> Seweryn Kokot wrote:
>>> Hello,
>>>
>>> I would like to have a function that visits all the tex files included
>>> in main.tex file. I wrote the following function:
>>> (defun my-document-files ()
>>>   "Open all document files"
>>>   (interactive)
>>>   (while (re-search-forward "\\\\include{\\(.*\\)}")
>>> 	 (find-file (concat "~/nauka/doktorat/thesis/" "\\1" ".tex"))))
>>>
>>> But it doesn't work since \\1 is not replaced by regexp match. The
>>> result is that the function visits \1.tex file. The question is how to
>>> process the regexp match to make it argument for find-file or more
>>> general question how to save the match in a variable or list?
>>
>> (match-string 1) ;; At least in Emacs 22
> Thanks, the prolbem with \1 is solved but then the function only finds
> first occurrence of \include{filename} and then I get in the echo buffer: 
> while: Search failed: "\\\\include{\\(.*\\)}"
> 
> Now my function is:
> (defun my-document-files ()
>   "Open all document files"
>   (interactive)
>   (while (re-search-forward "\\\\include{\\(.*\\)}")
> 	 (find-file (concat "~/nauka/doktorat/thesis/" (match-string 1) ".tex"))))
> 
> why it failed although I have much more occurences of \include{...} in
> the main.tex file? Any idea?

Read the documentation for find-file.