Beyond the Basics

Table of Contents

9. Another Look at Variables

Internal Variables

Typing variables: declare or typeset

$RANDOM: generate random integer

10. Manipulating Variables

Manipulating Strings

Parameter Substitution

11. Loops and Branches

Loops

Nested Loops

Loop Control

Testing and Branching

12. Command Substitution

13. Arithmetic Expansion

14. Recess Time