XMLStarlet is a set of command line utilities (tools) to transform, query, validate, and edit XML documents and files using simple set of shell commands in similar way it is done for text files with UNIX grep, sed, awk, diff, patch, join, etc utilities.
dbacl is a general purpose digramic Bayesian text classifier. It can learn text documents you provide, and then compare new input with the learned categories. It can be used for spam filtering, or within your own shell scripts. Sometimes it plays che
...For example, VIB could be 'aliased' in all new user shell accounts, so that when they edit a file using "vi", a log entry will be generated, and a backup copy of the file with their username will also be notated.
The goal of VIB is to assist with tracking who modified what file, when on a UNIX/Linux systsm.