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.
>
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> Thanks a lot
>
> ----
>
> Kun Lin
>
> Systems and Application Librarian
>
> Whitman College
>
>
>
> PGP Public Key https://kj7ieg.com/dnwklin_public.txt
>