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Man Pages


Manual Reference Pages  -  TRACKER-EXTRACT (1)

NAME

tracker-extract - Extract metadata from a file.

CONTENTS

Synopsys
Description
Options
Examples
Environment
See Also

SYNOPSYS

tracker-extract [OPTION...] FILE...

DESCRIPTION

tracker-extract reads the file and mimetype provided in stdin and extract the metadata from this file; then it displays the metadata on the standard output.

NOTE: If a FILE is not provided then tracker-extract will run for 30 seconds waiting for DBus calls before quitting.

OPTIONS

-?, --help Show summary of options.
-v, --verbosity=N
  Set verbosity to N. This overrides the config value. Values include 0=errors, 1=minimal, 2=detailed and 3=debug.
-f, --file=FILE
  The FILE to extract metadata from. The FILE argument can be either a local path or a URI. It also does not have to be an absolute path.
-m, --mime=MIME
  The MIME type to use for the file. If one is not provided, it will be guessed automatically.
-m, --force-module=MODULE
  Force a particular module to be used. This is here as a convenience for developers wanting to test their MODULE file. Only the MODULE name has to be specified, not the full path. Typically, a MODULE is installed to /usr/lib/tracker-0.7/extract-modules/. This option can be used with or without the .so part of the name too, for example, you can use --force-module=foo

Modules are shared objects which are dynamically loaded at run time. These files must have the .so suffix to be loaded and must contain the correct symbols to be authenticated by tracker-extract. For more information see the libtracker-extract reference documentation.

-V, --version
  Show binary version.

EXAMPLES

Using command line to extract metadata from a file:
 

$ tracker-extract -v 3 -f /path/to/some/file.mp3

Using a specific module to extract metadata from a file:
 

$ tracker-extract -v 3 -f /path/to/some/file.mp3 -m mymodule

ENVIRONMENT

TRACKER_EXTRACTORS_DIR
  This is the directory which tracker uses to load the shared libraries from (used for extracting metadata for specific file types). These are needed on each invocation of tracker-store. If unset it will default to the correct place. This is used mainly for testing purposes. The default location is /usr/lib/tracker-1.0/extract-modules/.
TRACKER_EXTRACTOR_RULES_DIR
  This is the directory which tracker uses to load the rules files from. The rules files describe extractor modules and their supported MIME types. The default location is /usr/share/tracker/extract-rules/.
TRACKER_USE_CONFIG_FILES
  Don’t use GSettings, instead use a config file similar to how settings were saved in 0.10.x. That is, a file which is much like an .ini file. These are saved to $HOME/.config/tracker/

SEE ALSO

tracker-store(1), tracker-sparql(1), tracker-stats(1), tracker-info(1).
/usr/lib/tracker-1.0/extract-modules/
/usr/share/tracker/extract-rules/
 
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GNU TRACKER-EXTRACT (1) July 2007

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