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5OPENSLIDE-QUICKHASH1SUM(1)       User Commands      OPENSLIDE-QUICKHASH1SUM(1)
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NAME

10       openslide-quickhash1sum - Print OpenSlide quickhash-1 checksums
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SYNOPSIS

14       openslide-quickhash1sum [--help] [--version] slide...
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DESCRIPTION

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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OPTIONS

27       --help Display usage summary.
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30       --version
31              Display version and copyright information.
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EXIT STATUS

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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BUGS

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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SEE ALSO

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)
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