File "mergeAllIntoARFF.pl" can be used to merge
several files in ".val" format and convert them to ARFF.
Word-based feature extrator implementation updated.
"extract(2).pl" is used to extract word based features from
datasets. "extract.X.plusVocab.pl" can generate a vocabulary
file for a given directory and the output is used later by
"extract.pl".
"FindLabel.java" looks into the name of a given file and decides
if it is a spam or a legitimate email.