Pre-processes files created by the JFCMonitor into the JFC log format expected by parseDirJFC and parseJFC. The command processes all files in a directory and stores the pre-processed files in another directory.

$USAGE$
<sourceDirectory> directory where the files to be pre-processed are located
<targetDirectory> directory for the processed files

Example(s):
preprocessDirJFC usagedata/jfcraw usagedata/jfc