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5OPENSLIDE-QUICKHASH1SUM(1) User Commands OPENSLIDE-QUICKHASH1SUM(1)
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10 openslide-quickhash1sum - Print OpenSlide quickhash-1 checksums
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14 openslide-quickhash1sum [--help] [--version] slide...
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18 Print OpenSlide quickhash-1 checksums for one or more virtual slide
19 files, in a format similar to sha256sum(1).
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21 quickhash-1 is a non-cryptographic, 256-bit hash of a subset of a
22 slide's data. It uniquely identifies a particular virtual slide, but
23 cannot be used to detect corruption or modification of the slide file.
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27 --help Display usage summary.
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30 --version
31 Display version and copyright information.
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35 openslide-quickhash1sum returns 0 on success, 1 if a quickhash-1 could
36 not be calculated, or 2 if the arguments are invalid.
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40 quickhash-1 is not defined for all slide files supported by OpenSlide.
41 If a slide does not have a quickhash-1, "No quickhash-1 available" will
42 be printed.
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46 Copyright © 2007-2012 Carnegie Mellon University and others
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48 OpenSlide is free software: you can redistribute it and/or modify it
49 under the terms of the GNU Lesser General Public License, version 2.1
50 ⟨http://gnu.org/licenses/lgpl-2.1.html⟩.
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52 OpenSlide comes with NO WARRANTY, to the extent permitted by law. See
53 the GNU Lesser General Public License for more details.
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57 openslide-show-properties(1), openslide-write-png(1), sha256sum(1)
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61OpenSlide 3.4.1 2012-02-24 OPENSLIDE-QUICKHASH1SUM(1)