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Please note that the filter-media script will automatically update the DSpace search index by default (see Legacy methods for re-indexing content) This is the recommended way to run these scripts. But, should you wish to disable it, you can pass the -n flag to either script to do so (see Executing (via Command Line) below).

Enabling/Disabling MediaFilters

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  • Help : [dspace]/bin/dspace filter-media -h
    • Display help message describing all command-line options.
  • Force mode : [dspace]/bin/dspace filter-media -f
    • Apply filters to ALL bitstreams, even if they've already been filtered. If they've already been filtered, the previously filtered content is overwritten.
  • Identifier mode : [dspace]/bin/dspace filter-media -i 123456789/2
    • Restrict processing to the community, collection, or item named by the identifier - by default, all bitstreams of all items in the repository are processed. The identifier must be a Handle, not a DB key. This option may be combined with any other option.
  • Maximum mode : [dspace]/bin/dspace filter-media -m 1000
    • Suspend operation after the specified maximum number of items have been processed - by default, no limit exists. This option may be combined with any other option.
    No-Index mode : [dspace]/bin/dspace filter-media -n
    • Suppress index creation - by default, a new search index is created for full-text searching. This option suppresses index creation if you intend to run index-update elsewhere.
  • Plugin mode : [dspace]/bin/dspace filter-media -p "PDF Text Extractor","Word Text Extractor"
    • Apply ONLY the filter plugin(s) listed (separated by commas). By default all named filters listed in the filter.plugins field of dspace.cfg are applied. This option may be combined with any other option. WARNING: multiple plugin names must be separated by a comma (i.e. ',') and NOT a comma followed by a space (i.e. ', ').
  • Skip mode : [dspace]/bin/dspace filter-media -s 123456789/9,123456789/100
    • SKIP the listed identifiers (separated by commas) during processing. The identifiers must be Handles (not DB Keys). They may refer to items, collections or communities which should be skipped. This option may be combined with any other option. WARNING: multiple identifiers must be separated by a comma (i.e. ',') and NOT a comma followed by a space (i.e. ', ').
    • NOTE: If you have a large number of identifiers to skip, you may maintain this comma-separated list within a separate file (e.g. filter-skiplist.txt). Use the following format to call the program. Please note the use of the "grave" or "tick" (`) symbol and do not use the single quotation.
      • [dspace]/bin/dspace filter-media -s `less filter-skiplist.txt`
  • Verbose mode : [dspace]/bin/dspace filter-media -v
    • Verbose mode - print all extracted text and other filter details to STDOUT.
      Adding your own filters is done by creating a class which implements the org.dspace.app.mediafilter.FormatFilter interface. See the Creating a new Media/Format Filter topic and comments in the source file FormatFilter.java for more information. In theory filters could be implemented in any programming language (C, Perl, etc.) However, they need to be invoked by the Java code in the Media Filter class that you create.

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