interdiff -z -p1 libfile-basedir-perl_0.02-1.diff.gz libfile-basedir-perl_0.03-0ubuntu1.diff.gz > libfile-basedir-perl_0.03.new_upstream.diff
interdiff -z -p1 libfile- basedir- perl_0. 02-1.diff. gz libfile- basedir- perl_0. 03-0ubuntu1. diff.gz > libfile- basedir- perl_0. 03.new_ upstream. diff