Linux Shell Programming (STA_LSP)

Linux Shell Programming Training Course

Course Contents - DAY 1

Course Introduction

• • Administration and Course Materials
• • Course Structure and Agenda
• • Delegate and Trainer Introductions

Session 1: LINUX COMMAND REVIEW

• • Basic Linux commands
• • General commands
• • File and directory handling commands
• • Filename generation characters and regular expressions (regex)
• • I/O Redirection features
• • Other commands

Session 2: GETTING STARTED

• • What is a shell script?
• • Development guidelines
• • Creating and editing shell scripts
• • Naming and storing shell scripts
• • Executing shell scripts
• • Exercise: Write a simple shell script

Session 3: USING VARIABLES

• • Environment variables
• • Local variables
• • Assigning values to variables
• • Assessing variable values
• • Using quotes
• • Delimiting variable names
• • Echo control sequences
• • Exercise: Add variables to a script

Session 4: INTEGER ARITHMETIC

• • Using the expr command
• • Using the (( )) notation
• • Exercise: Add integer arithmetic to a shell script

Session 5: HANDLING RUN TIME DATA

• • The read command
• • Command line arguments
• • Exercise: Writing a generic shell script
• • Exercise: Writing an interactive shell script

Session 6: CONDITIONAL EXECUTION

• • The if statement
• • The test command
• • Exercise: Adding validation to previous scripts

Session 7: ADDITIONAL KORN,BASH & POSIX SYNTAX

• • Other test notations
• • Default and substitute variables
• • Exit status codes
• • Exercise

Linux Shell Programming Training Course

Course Contents - DAY 2

Session 8: LOOP CONSTRUCTS

• • The while loop
• • The until loop
• • The for loop
• • The while true and until false loops
• • Loop control commands
• • Exercise: Enhancing the previously written scripts
• • Exercise: Writing a script to copy files using a 'for' loop
• • Exercise: Writing a script to generate numbers with the 'while' loop

Session 9: MULTI-BRANCH DECISIONS

• • The case statement
• • Menu driven applications
• • Exercise: Developing and writing a menu system

Session 10: SCRIPTING WITH AWK

• • Fundamentals of AWK
• • Basic AWK scripts
• • AWK within Bash constructs
• • Exercise: AWK scripts

Session 11: FUNCTIONS

• • What is a function?
• • Syntax
• • Examples
• • Creating a Function Library
• • Exercise: Add a function to a script

Session 12: INTERRUPT HANDLING

• • Interrupt signals
• • Trapping interrupts
• • Exercise: Adding traps to the menu script

Appendix A: ADDITIONAL FEATURES AND FACILITIES

• • The exec commands
• • The includes notation
• • More about loops
• • Arrays

Appendix B: VIM QUICK REFERENCE

Appendix C: UNIX COMMANDS QUICK REFERENCE

Appendix D: ADDITIONAL EXERCISES