/usr/lib/scilab-plotlib/macros/_mesh.sci is in scilab-plotlib 0.42-1.
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 | function hdl=_mesh(varargin)
[lhs,rhs]=argn(0);
if rhs==0
[u,v]=meshgrid(linspace(0,%pi,30),linspace(0,%pi,30));
h1=_mesh(sin(v).*cos(u),sin(v).*sin(u),cos(v),'edgecolor','blue');
_hold on
h2=_mesh(sin(v).*cos(u),1-sin(v).*sin(u),cos(v),'edgecolor','red');
_hold off
_axis equal
_axis([-1 1 -1 2 -1 1])
hdl=[h1 h2];
else
hdl=_mainPlot('mesh',varargin);
end
endfunction /////
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