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tika-batch was added to Tika 1.8 as its own package, and it was integrated into tika-app with 1.8 as well.
TikaBatch via tika-app-X.Y.jar
You can see the commandline arguments via the regular "?" or "-help" commands. There is a separate section at the end for tika-batch options.
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- There are only two arguments and the first one is an existing directory
2. -inputDir or -i is specified in the commandline
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*Make sure to add -JXX:-OmitStackTraceInFastThrow to the child process's commandline arguments so that Java doesn't swallow your stack traces.
TikaBatch Server
Module not yet implemented...want to contribute? This would require hardening the server and creating an example client to be used within TikaBatch FS framework.
TikaBatch Hadoop
Module not yet implemented within Tika project...want to contribute? See TikaInHadoop.