/usr/share/octave/ is in octave-struct 1.0.10-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/octave/packages/
/usr/share/octave/packages/struct-1.0.10/
/usr/share/octave/packages/struct-1.0.10/doc-cache
/usr/share/octave/packages/struct-1.0.10/getfields.m
/usr/share/octave/packages/struct-1.0.10/packinfo/
/usr/share/octave/packages/struct-1.0.10/packinfo/.autoload
/usr/share/octave/packages/struct-1.0.10/packinfo/DESCRIPTION
/usr/share/octave/packages/struct-1.0.10/packinfo/INDEX
/usr/share/octave/packages/struct-1.0.10/packinfo/NEWS
/usr/share/octave/packages/struct-1.0.10/setfields.m
/usr/share/octave/packages/struct-1.0.10/tars.m
/usr/share/octave/packages/struct-1.0.10/test_struct.m