LX23 - Linux Shell Programming and Utilities

Extra Info

• Book list
• VI reference (PDF)
• VI reference (HTML)

Setup

  export LC_ALL=C

• Shell files

Introduction

• Unix Commands
• startup files
• Shell interpretation sequence

Shell Scripting

Variables

• Variable Substrings

User Input

• Conditional Substitution Variables

Design Program Output

Arithmetic

• Arithmetic

Branches

• case statement

Patterns

• Pattern matching

Program Loops

• select statement

getopts

• getopts

Arrays

Functions

• function variable scope
• functions - FtoC
  
• functions - autoloading

Managing Input and Output

Traps and Signals

Regular Expressions

• grep

Introduction to awk

• intro
• script

awk - Variables, Strings and Arithmetic

awk - Flow Control

sed

• intro
• pcode
• sed script