Re: looping over characters in a string in elisp?

[kai.grossjohann@uni-duisburg.de (Kai Großjohann)]

Roy Smith <roy@panix.com> writes:

> I'm probably being dense, but I can't figure out how to loop over each 
> character in a string in elisp (I'm using emacs 20.5.1).  I know I can 
> use mapchar to map a function to each character, but I'm looking for 
> something that lets me do (essentially):
>
> (while char in string
>    (do stuff)
> )

Why does it have to be a while loop?  Why is a map-like look not
enough?

(mapcar (lambda (c) (char-to-string c)) "foobar")

This calls the lambda expression on each character and collects the
results in a list.  You can throw the result away if you don't like
it...

-- 
Do not be ashamed of ambibibentism.