You might be thinking of DDCLI:

http://www.dribin.org/dave/blog/archives/2008/04/29/ddcli/

I've used it before, and when you're writing an ObjC CLI, it does its job 
perfectly.

- Carter Allen

On Jul 21, 2010, at 8:54 AM, Fritz Anderson wrote:

> I'm writing a Foundation tool that will take both options and pathname 
> arguments. 
> 
> If you use NSUserDefaults, you can handle key-value options (-threshold 17) 
> pretty easily, but this has limitations. I don't see how it can be graceful 
> for
> 
> * Two-hyphen options (chatty --verbose).
> * Non-value options (ls -a).
> * Single-item key-value options (chatty --verbose=3 -or- chatty -v3).
> * Concatenated options (ls -al)
> 
> I also don't know what you do about "normal" arguments (ls -al /Users/fritza) 
> without using NSUserDefaults _and_ running through [[NSProcessInfo 
> processInfo] arguments] with at least a minimal state machine, which defeats 
> the purpose.
> 
> Enough complaining. Correct me if I'm wrong.
> 
> I remember from 2001 or so that there was an open-source framework inherited 
> from the OpenStep days, that included a helper for getopt(3) sorts of tasks, 
> but for the life of me, I can't remember its name, and I don't know where it 
> would be hosted or whether it would be compatible with today's Foundation 
> framework.
> 
> Yes, iterating through [[NSProcessInfo processInfo] arguments] and parsing 
> for myself is the ultimate option, but if it's a solved problem, why make all 
> the mistakes again?
> 
> Google doesn't turn up much, beyond the NSUserDefaults trick. Any ideas?
> 
>       — F
> 
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