Unix: Data Mining from a Large Number of Files

Guide on extracting information of interest in data science.

Photo by Artyom Korshunov on Unsplash

In data science, sometimes you get lucky, and all of the data you need is located in a single database/file/etc. In reality, you likely need to review multiple files. This can be too tedious, especially if you want a single output among many other lines in many files.