1LENSFUN-UPDATE-DATA(1)                                  LENSFUN-UPDATE-DATA(1)
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NAME

6       lensfun-update-data - update Lensfun's database
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SYNOPSIS

9       lensfun-update-data
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DESCRIPTION

12       Lensfun  is a library that corrects flaws in photographic images intro‐
13       duced by the lens.  It also contains a comprehensive database  of  cam‐
14       eras and lenses together with their characteristics to be able to apply
15       automatic corrections of images taken with these devices.   Lensfun  is
16       used by darktable, digiKam, rawstudio, GimpLensfun, UFRaw, and others.
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18       lensfun-update-data  is  a  command-line program that updates Lensfun's
19       database.  It looks whether a new version is available online,  and  if
20       this  is  the  case,  it  fetches  the  latest  version and installs it
21       locally.  If called as root, the  database  is  installed  system-wide,
22       otherwise, it is installed in the user's directory.
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FILES

25       lensfun-update-data  will  place the fetched database in /var/lib/lens‐
26       fun-updates/ (if called as root) or in  ~/.local/share/lensfun/updates/
27       (otherwise).  If necessary, it will create this directory.  If there is
28       already a database, it is replaced fully.  If Lensfun detects  a  data‐
29       base  in  one  of  these  directories,  it will use that instead of the
30       default location below /usr/....
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DIAGNOSTICS

33       lensfun-update-data prints log messages to stdout.
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35       Exit status:
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37                          ┌──┬────────────────────────────┐
38                          │0 │ if   OK   (updates    were │
39                          │  │ installed),                │
40                          ├──┼────────────────────────────┤
41                          │1 │ if  no newer version could │
42                          │  │ be found,                  │
43                          ├──┼────────────────────────────┤
44                          │3 │ if    no    DB    location │
45                          │  │ responded validly.         │
46                          └──┴────────────────────────────┘
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REPORTING BUGS

49       Report bugs at <http://sourceforge.net/p/lensfun/bugs/>.
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52       Lensfun is Copyright © 2007 Andrew Zabolotny
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54       License of the code: GNU Lesser General Public License, version 3
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56       License  of  the database: Creative Commons Attribution-Share Alike 3.0
57       license
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SEE ALSO

60       g-lensfun-update-data(1), lensfun-add-adapter(1)
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AUTHOR

63       This manual page was written by Torsten  Bronger  <bronger@physik.rwth-
64       aachen.de>
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69                                  2015-03-11            LENSFUN-UPDATE-DATA(1)
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