This file is indexed.

/usr/lib/petscdir/3.7.5/x86_64-linux-gnu-complex/share/petsc/matlab/@PetscOpenFile/close.m is in libpetsc-complex-3.7.5-dev 3.7.5+dfsg1-4+b1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

1
2
3
4
5
6
function close(freader)
%
%   O = close(freader) - closes the binary file
%
fclose(freader.fd);
freader.fd = 0;