If you ever work with data files (comma separated - CSV, Tab separated - TSV, Text, etc.), then you should try VisiData. It is a "Terminal" based tool that make a lot of data review and management operations super easy and fun to use.
Check out VisiData at: https://www.visidata.org
VisiData Resources:
- VisiData cheat sheet with some useful commands: https://jsvine.github.io/visidata-cheat-sheet/downloads/visidata-cheat-sheet.en.letter.pdf
- A nice VisiData Tutorial: https://jsvine.github.io/intro-to-visidata
Text mining on the command line
https://towardsdatascience.com/text-mining-on-the-command-line-8ee88648476f