/usr/share/octave/ is in octave-octcdf 1.1.8-1build2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/octave/packages/
/usr/share/octave/packages/octcdf-1.1.8/
/usr/share/octave/packages/octcdf-1.1.8/@ncatt/
/usr/share/octave/packages/octcdf-1.1.8/@ncatt/datatype.m
/usr/share/octave/packages/octcdf-1.1.8/@ncatt/name.m
/usr/share/octave/packages/octcdf-1.1.8/@ncdim/
/usr/share/octave/packages/octcdf-1.1.8/@ncdim/isrecord.m
/usr/share/octave/packages/octcdf-1.1.8/@ncdim/name.m
/usr/share/octave/packages/octcdf-1.1.8/@ncfile/
/usr/share/octave/packages/octcdf-1.1.8/@ncfile/att.m
/usr/share/octave/packages/octcdf-1.1.8/@ncfile/close.m
/usr/share/octave/packages/octcdf-1.1.8/@ncfile/dim.m
/usr/share/octave/packages/octcdf-1.1.8/@ncfile/endef.m
/usr/share/octave/packages/octcdf-1.1.8/@ncfile/name.m
/usr/share/octave/packages/octcdf-1.1.8/@ncfile/redef.m
/usr/share/octave/packages/octcdf-1.1.8/@ncfile/sync.m
/usr/share/octave/packages/octcdf-1.1.8/@ncfile/var.m
/usr/share/octave/packages/octcdf-1.1.8/@ncvar/
/usr/share/octave/packages/octcdf-1.1.8/@ncvar/att.m
/usr/share/octave/packages/octcdf-1.1.8/@ncvar/autonan.m
/usr/share/octave/packages/octcdf-1.1.8/@ncvar/autoscale.m
/usr/share/octave/packages/octcdf-1.1.8/@ncvar/datatype.m
/usr/share/octave/packages/octcdf-1.1.8/@ncvar/dim.m
/usr/share/octave/packages/octcdf-1.1.8/@ncvar/fillval.m
/usr/share/octave/packages/octcdf-1.1.8/@ncvar/name.m
/usr/share/octave/packages/octcdf-1.1.8/doc-cache
/usr/share/octave/packages/octcdf-1.1.8/example_netcdf.m
/usr/share/octave/packages/octcdf-1.1.8/example_opendap.m
/usr/share/octave/packages/octcdf-1.1.8/ncbyte.m
/usr/share/octave/packages/octcdf-1.1.8/ncchar.m
/usr/share/octave/packages/octcdf-1.1.8/ncdouble.m
/usr/share/octave/packages/octcdf-1.1.8/ncdump.m
/usr/share/octave/packages/octcdf-1.1.8/ncfillval.m
/usr/share/octave/packages/octcdf-1.1.8/ncfloat.m
/usr/share/octave/packages/octcdf-1.1.8/ncint.m
/usr/share/octave/packages/octcdf-1.1.8/nclong.m
/usr/share/octave/packages/octcdf-1.1.8/ncshort.m
/usr/share/octave/packages/octcdf-1.1.8/nctest.m
/usr/share/octave/packages/octcdf-1.1.8/packinfo/
/usr/share/octave/packages/octcdf-1.1.8/packinfo/DESCRIPTION
/usr/share/octave/packages/octcdf-1.1.8/packinfo/INDEX
/usr/share/octave/packages/octcdf-1.1.8/packinfo/NEWS