From: Robert Dober <robert.dober@...>
Date: 2007-08-23T03:58:01+09:00
Subject: Re: de-camelcase a filename

On 8/22/07, Daniel Berger <djberg96@gmail.com> wrote:
> On Jul 2, 11:42 am, Ezra Zygmuntowicz <ezmob...@gmail.com> wrote:
> > On Jul 2, 2007, at 9:41 AM, Bill Kelly wrote:
> >
> > > From: "Roseanne Zhang" <rosea...@javaranch.com>
> > >> How about this:
> > >> "FooBarBaz".split(/(?=[A-Z])/).join('_').downcase
> >
> > > Nice... (why didn't I think of that :)
> >
> > This is the cleanest I've come up with:
> >
> > class String
> >    # "FooBar".snake_case #=> "foo_bar"
> >    def snake_case
> >      gsub(/\B[A-Z]/, '_\&').downcase
> >    end
> > end
>
> Both of these solutions have a problem with back to back caps. For
> example:
>
> "CheckHostIP".gsub(/\B[A-Z]/, '_\&').downcase => "check_host_i_p"
>
> But I want "check_host_ip". It's probably a simple tweak, but I'm
> having trouble finding it at the moment. Suggestions?
>
> Thanks,
>
> Dan

I guess there can be no general solution, I would like
HostIP --> host_ip
but
AHostIP --> a_host_ip

maybe you can use a dictonary of Uppercase Abbreviations as a preparatory step?

Robert

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