This file is indexed.

/usr/share/gwyddion/gradients/Warpp-spectral is in gwyddion-common 2.47-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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Gwyddion resource GwyGradient
0 0.498039 0 0.498039 1
0.0874751 0.294118 0.0431373 0.701961 1
0.178926 0.121569 0.168627 0.87451 1
0.270378 0.0196078 0.356863 0.976471 1
0.363817 0.00392157 0.568627 0.992157 1
0.457256 0.0745098 0.764706 0.921569 1
0.548708 0.231373 0.921569 0.764706 1
0.640159 0.427451 0.992157 0.568627 1
0.735586 0.639216 0.976471 0.356863 1
0.829026 0.823529 0.878431 0.172549 1
0.916501 0.94902 0.713725 0.0470588 1
1 0.996078 0.505882 0 1