split oid|geneid, dereplicate by oid, count the number of times oid appeared in the file, write out file (tip node) name as well
split oid|geneid, dereplicate by oid, count the number of times oid appeared in the file, write out file (tip node) name as well

fandemonium/code,fandemonium/code,fandemonium/code,fandemonium/code