/usr/share/octave/packages/netcdf-1.0.11/ncreadatt.m is in octave-netcdf 1.0.11-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | ## Copyright (C) 2013 Alexander Barth
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; If not, see <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {@var{val} =} ncreadatt(@var{filename},@var{varname},@var{attname})
##
## Return the attribute @var{attname} of the variable @var{varname} in the file
## @var{filename}.
##
## Gobal attributes can be accessed by using "/" or the group name as
## @var{varname}. The type of attribute is mapped to the Octave data types.
## (see @code{ncinfo}).
##
## @seealso{ncinfo,ncwriteatt}
##
## @end deftypefn
function val = ncreadatt(filename,varname,attname)
ncid = netcdf_open(filename,'NC_NOWRITE');
[gid,varid] = ncloc(ncid,varname);
if isempty(varid)
varid = netcdf_getConstant('NC_GLOBAL');
endif
val = netcdf_getAtt(gid,varid,attname);
netcdf_close(ncid);
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