by the way - for anybody reading the archives:

I had to make a minor update to the code that Deniz provided:

(defun hello-there ()
 (interactive)
 (call-interactively 'move-end-of-line)
 (unless (looking-back ";")
   (insert ";"))
 (newline-and-indent))

I updated line 3 above because I was getting the error "Wrong Number of
Arguments".  A little googling led me to the solution.

Thanks again!

On Tue, Jul 19, 2011 at 1:54 AM, Lister Account <lister345@gmail.com> wrote:

> That's exactly what I was looking for.  I'm only binding it in c-mode
> derivatives, so mine looks like:
>
> (add-hook 'c-mode-common-hook 'my-cool-return)
>
> I hope that's OK.  Seems to work, anyways. :)
>
> I very much appreciate the help.  I'm slowly making the shift to emacs and
> this kind of programmability really has me floored.
>
> On Tue, Jul 19, 2011 at 12:24 AM, Deniz Dogan <deniz@dogan.se> wrote:
>
>> On 2011-07-19 07:47, Lister Account wrote:
>>
>>> I have a keybinding I just made that essentially will go to the end of a
>>> line, insert a semicolon, return, and auto-indent.
>>>
>>> I'd like to only add the semicolon if it doesn't already exist.
>>>
>>> In other words, go to the end of the line, if a semicolon is there,
>>> return.  If a semicolon is not there, add one, then return.
>>>
>>> I'm brand spanking new to emacs, and I'm sure this is a task that others
>>> have resolved, but I'm having trouble googling for a solution.
>>>
>>> Thanks,
>>> Steve
>>>
>>
>> (defun hello-there ()
>>  (interactive)
>>  (move-end-of-line)
>>  (unless (looking-back ";")
>>    (insert ";"))
>>  (newline-and-indent))
>>
>> Then you would want to bind this to only some modes, and not globally.
>> E.g., this way:
>>
>> (add-hook 'prog-mode-hook
>>          (lambda ()
>>            (local-set-key (kbd "C-c ;") 'hello-there)))
>>
>> This binds "C-c ;" to that command.
>>
>> Hope that helps,
>> Deniz
>>
>>
>>
>