Shell loops, conditions and parsing

Resources

Read or watch:

• Loops sample
• Variable assignment and arithmetic
• Comparison operators
• File test operators
• Make your scripts portable

man or help:

• env
• cut
• for
• while
• until
• if

Learning Objectives

At the end of this project, you are expected to be able to explain to anyone, without the help of Google:

General

• What is the advantage of using #!/usr/bin/env bash over #!/bin/bash
• How to use while, until and for loops
• How to use if, else, elif and case condition statements
• How to use the cut command
• What are files and other comparison operators, and how to use them