Re: How to convert an arbitrary string into a filename

[Marcin Borkowski]

On 2023-04-26, at 06:03, Platon Pronko <platon7pronko@gmail.com> wrote:

> On 2023-04-26 11:55, Marcin Borkowski wrote:
>> Hi all,
>> given an arbitrary string, say "Hello, world!!!", I want to have
>> a filename with all the runs of weird characters (that is,
>> non-alphanumeric ones) converted to dashes (say, "Hello-world").  Is
>> there a function for that in Emacs already or should I write my own?
>
> Something like this?
>
> (let ((input "Hello, world!!!"))
>   (replace-regexp-in-string "[^a-zA-Z0-9]+" "-" input))
> ;; "Hello-world-"

More or less, possibly with trimming - I know it's simple, I just didn't
want to do it if it already exists.  Which I still don't know...  (I
suppose not, but I'm not sure.)

Thanks,

-- 
Marcin Borkowski
http://mbork.pl