/usr/ is in octave-optiminterp 0.3.4-1build1.
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/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/octave/
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/usr/share/doc/octave-optiminterp/copyright
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/usr/share/octave/packages/optiminterp-0.3.4/packinfo/NEWS
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