Can we automate the HDL loads for Business Objects like Talent Profile / DOR having CLOB Files ?

Assume, client is giving the DOR files on a regular interval and placing them in some folder and we have to automate the DOR HDL load on a recurrence basis.

Is there a method for us to automate the HDL loads for attributes that require CLOB Files, like Talent Profile and DOR?

I know that HDL can be created/invoked by HCM Extract Inbound Interface with a Payroll Flow but how should we attach CLOB Files with it during runtime ?

When loading data into HCM, the CLOB files also required be compressed together with the HDL.dat files.

Note - Client doesn't have OIC instance (I guess the solution can be achievable in OIC / PaaS). So if any solution can be given using BIP , Extracts, REST API that would be great..