This might work for you... it has a normalization feature, and allows you
the then compare the normalized LC numbers.

https://github.com/rayvoelker/js-loc-callnumbers

--Ray

On Fri, Dec 6, 2019 at 7:46 PM Dhanushka Samarakoon <[log in to unmask]>
wrote:

> Hi Kun,
>
> This is a JS that I wrote sometime back to normalize LC call numbers.
>
> https://gist.github.com/dhanushka-samarakoon/1f0e080cbca48b4a53a7b988a9b020d2
> Even though it does not directly address comparison, you can normalize and
> then compare.
>
> -Dhanushka.
>
> On Thu, Dec 5, 2019 at 5:13 PM Kun Lin <[log in to unmask]> wrote:
>
> > Is there any good existing scripts of comparing LC call numbers to
> > determine which one should come first? Javascript or PHP.
> >
> >
> >
> >
> >
> > Thanks a lot
> >
> > ----
> >
> > Kun Lin
> >
> > Systems and Application Librarian
> >
> > Whitman College
> >
> >
> >
> > PGP Public Key https://kj7ieg.com/dnwklin_public.txt
> >
>


-- 
Ray Voelker
(937) 620-1830