Command line tool that appends multiple TSV files. It is header aware and supports tracking the original source file of each row.
Copyright (c) 2017-2019, eBay Software Foundation Initially written by Jon Degenhardt
Main program. Invokes command line arg processing and tsv-append to perform the real work. Any errors are caught and reported.
tsvAppend implements the basic functionality of the tsv-append program.
Container for command line options.