Text Processing

The fourteen tools that read text and write text: printf, grep with a real pattern language, cut, sort, uniq, tr, paste, join, comm, diff, patch, column, sed and awk, joined together with the pipe.

Labs in this module

Chapter 13, Part 1. Text Processing: printf, grep, cut and sort - Part 1 of 3: printf and its format slots, grep with anchors, the dot, character classes and -E, then -i, -v and -n, cut by field and by char
Chapter 13, Part 2. Text Processing: uniq, tr, paste, join and comm - Part 2 of 3: uniq and the law that its input must be sorted, uniq -c with sort -nr for the count and rank chain, tr for translating and dele
Chapter 13, Part 3. Text Processing: diff, patch, column, sed and awk - Final test: Chapter 13, Text Processing. Twenty-five objectives on a real Debian 12 server covering all three parts: printf, grep and its pa