MARC::Writer::Factory needs to guess filetype before opening output file for writing!
MARC::Writer::Factory needs to guess filetype before opening output file for writing!

ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools