This module provides a Unix-like commands: 

 colgrep
 colsummary
 crosstable
 csel
 csv2tsv
 digitdemog
 expandtab
 freq
 venn


 Copyright (c) 2021 Toshiyuki SHIMONO. All rights reserved.
 This program is free software; you can redistribute it and/or
 modify it under the same terms as Perl itself.
