/usr/share/octave/packages/ is in octave-io 1.0.14-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/octave/packages/3.2/
/usr/share/octave/packages/3.2/io-1.0.14/
/usr/share/octave/packages/3.2/io-1.0.14/append_save.m
/usr/share/octave/packages/3.2/io-1.0.14/calccelladdress.m
/usr/share/octave/packages/3.2/io-1.0.14/doc-cache
/usr/share/octave/packages/3.2/io-1.0.14/fexist.m
/usr/share/octave/packages/3.2/io-1.0.14/getusedrange.m
/usr/share/octave/packages/3.2/io-1.0.14/object2json.m
/usr/share/octave/packages/3.2/io-1.0.14/oct2ods.m
/usr/share/octave/packages/3.2/io-1.0.14/oct2xls.m
/usr/share/octave/packages/3.2/io-1.0.14/ods2oct.m
/usr/share/octave/packages/3.2/io-1.0.14/odsclose.m
/usr/share/octave/packages/3.2/io-1.0.14/odsfinfo.m
/usr/share/octave/packages/3.2/io-1.0.14/odsopen.m
/usr/share/octave/packages/3.2/io-1.0.14/odsread.m
/usr/share/octave/packages/3.2/io-1.0.14/odswrite.m
/usr/share/octave/packages/3.2/io-1.0.14/packinfo/
/usr/share/octave/packages/3.2/io-1.0.14/packinfo/.autoload
/usr/share/octave/packages/3.2/io-1.0.14/packinfo/DESCRIPTION
/usr/share/octave/packages/3.2/io-1.0.14/packinfo/INDEX
/usr/share/octave/packages/3.2/io-1.0.14/parse_sp_range.m
/usr/share/octave/packages/3.2/io-1.0.14/parsecell.m
/usr/share/octave/packages/3.2/io-1.0.14/spsh_chkrange.m
/usr/share/octave/packages/3.2/io-1.0.14/spsh_prstype.m
/usr/share/octave/packages/3.2/io-1.0.14/xls2oct.m
/usr/share/octave/packages/3.2/io-1.0.14/xlsclose.m
/usr/share/octave/packages/3.2/io-1.0.14/xlsfinfo.m
/usr/share/octave/packages/3.2/io-1.0.14/xlsopen.m
/usr/share/octave/packages/3.2/io-1.0.14/xlsread.m
/usr/share/octave/packages/3.2/io-1.0.14/xlswrite.m