Unloads an operator type library.
otunload [-n] otl_file [source]
The otl_file argument specifies the type library to unload.
The same library may be listed in multiple “OPlibraries” files, in which case you can specify the source from which to remove the library.
If you do not give a source, the command finds the source that was used to load the library, and removes the library name from that location.
Do not try to modify the OPlibraries file. This argument is useful when the OPlibraries file contains wild cards, and you are about to delete the OTL file that is being unloaded. The contents of the OPlibraries file are not disturbed, but it becomes safe to delete the OTL file because Houdini will no longer be using it.