Shell Programming

 2: Shell Programming

Why Program with a Shell?
A Bit of Philosophy
What Is a Shell?
Pipes and Redirection

• Redirecting Output
• Redirecting Input
• Pipes

The Shell as a Programming Language

• Interactive Programs
• Creating a Script
• Making a Script Executable

Shell Syntax

• Variables
• Conditions
• Control Structures
• Functions
• Commands
• Command Execution