Learning Bash Scripting

Introduction

• Learning Bash scripting

• What's Bash?
• Pipes and redirections
• Bash builtins and other commands
• Brackets and braces in Bash
• Bash expansions and substitutions
• Brace expansion
• Parameter expansion
• Command substitution
• Arithmetic expansion

• Choosing a text editor for Bash scripting
• Understanding Bash script syntax
• Displaying text with echo
• Working with variables
• Working with numbers
• Comparing values with test
• Comparing values with extended test
• Formatting and styling text output
• Formatting output with printf
• Working with arrays
• Challenge: Make a script that generates a system report
• Solution: Make a script that generates a system report

• Conditional statements with the if keyword
• Working with while and until loops
• Introducing for loops
• Selecting behavior using case
• Using functions
• Reading and writing text files
• Challenge: Build a script using control structures
• Solution: Build a script using control structures

• Working with arguments
• Working with options
• Getting input during execution
• Ensuring a response
• Challenge: Make a script that uses input
• Solution: Make a script that uses input

• Troubleshooting
• Ensuring script portability

• Next steps