Re: Randomly capitalise letters

[Johnny]

Burton Samograd <burton@samograd.ca> writes:

> Johnny <yggdrasil@gmx.co.uk> writes:
>
>> Johnny <yggdrasil@gmx.co.uk> writes:
>>
>>> Hi all,
>>>
>>> I am looking for a way to randomly capitalise letters in a word or a
>>> region, but haven't found anything in the manual or online (someone must
>>> have had this odd idea before I am sure!). Any help on how to achieve
>>> this would be great! For clarity, I'd like to AchiEVe soMeTHiNg LIke
>>> thIs. 
>>>
>>>
>>> Thanks!
>>
>> P.S.
>> I have tried 'studlify-region', but this seems to be a
>> deterministic function and does not set case randomly (as seen by
>> repeating the command on the same region).
>
> This should work but you should (require 'cl) first:
>
> (defun random-upcase-letters (downcase-factor)
>   "Randomly upper case letters in the current/next word.
>   Downcase factor is tied to how many letters are left
>   lower case; use 2 for 50/50 probabilty, 3 for 66/33, etc."
>   (interactive "P")
>   ;; Move to the start of the next word
>   (forward-word)
>   (backward-word)
>   ;; Do the upcasing
>   (let ((start (point))
>         (end (progn 
>                (forward-word)
>                (point))))
>     (goto-char start)
>     (while (not (= start end))
>       (if (= 0 (random downcase-factor))
>           (upcase-region start (1+ start)))
>       (incf start))))
>

Thanks, works great! 

-- 
Johnny