Hi Tasha,

I confess, I'm the one guilty of that section... I unfortunately never learned LC in school or in work (I've only worked with Dewey), and I tried to read the code for the LC filing routine and didn't understand a word. Ideally someone with knowledge of perl (or whatever language it is written in) and LC should look at the filing rule code and either write the section or tell someone on the docs team how it works so they can write it.

As for your 2nd question, I don't think there is a way to create custom filing rules in Koha (unless you do it through coding, if you know how to code, I think pretty much anything is doable).

Caroline

On 2021-11-23 20 h 26, Bales (US), Tasha R wrote:
The section of the Koha manual that describes classification filing rules 
appears to be missing a section.  The portion that describes the respective 
rules for Dewey, generic, LCC, ends abruptly when it gets to LCC, as follows:

"The LCC filing routine generates a sorted call number by following these rules: 
" [no rules are given]

See, 
https://koha-community.org/manual/21.05/en/html/administration.html?highlight=classification#classification-filing-rules

Anyone know what text goes there?  Also, has anyone created custom filing 
rules?  Although I can create a new classification source, it looks like a new 
source can only be an amalgamation of the existing filing and splitting rules.  
What I really need is something that does not remove hyphens.  I'm having a 
heck of time getting numbers like this to sort correctly (they just don't):

1F-15A-1
1F-15A-01 (I'd expect this to be first)
1F-15A-1CL-1
1F-15A-06 (This should go after "-01")
1F-15A-6
1F-15A-6CF-1
1F-15A-17
1F-15A-21
1F-15A-4-6 (I'd really like to see this before "-6")

The above is how they sort in the OPAC using an ascending "Call number" sort.  Assuming all hyphens are stripped out, I can't 
make sense of the sort.  However, I did notice that despite all of these items having classification scheme set to "generic", the 
"Other/Generic Classification Scheme" in Koha Administration, Classification sources, showed that the "In use" value 
for that scheme was "No".  I changed it to "Yes", but am not sure what to expect after having done so.


Tasha Bales
Enterprise Services
http://isesi.web.boeing.com/

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