It also is used to control the search strategy - as only files not previously found by a search in the log file will be added as new hits, thus continually using the same log file will build up a history of unique files. The build module uses the log file generated by the search module and filtered by the filter module to retrieve the set of files contained in the log file and add them to an XML repository. It then modifies the log file to record the time the file was added to the repository. Thus each file is added only once to a repository. If you wish to use different combinations of log files to build different repositories you must therefore edit the log files after each use to change the added element back to 'to be added' using the filter module for each file you wish to add again to a different repository.
Full description is available below and tehre is also help in the module.
To use all the tools a few preliminary steps have to be taken. It was compiled under SuSe 6.1 and is provided for convenience. Make sure the perl shebang points to your perl executable. Use 'whereis perl' to find out the location of your perl executable. Ensure the appropriate permissions are set.