WA1014 Shell Programming Course Outline
1. SHELLS AND SHELL SCRIPTS
  • What is a Shell?
  • What Does a Shell Do?
  • Available Shells
  • Shell Script Basics
  • Child Processes - Subshells
2. THE SHELL ENVIRONMENT
  • Startup Scripts
  • Variables
  • Local vs. Global Variables
  • Special Reserved Variables
  • Command Line Arguments
  • The shift Statement
  • Using set
  • The read Statement
  • Quoting Characters
  • Command Substitution
  • Quoting and Regular Expressions
  • Tilde Expansion in the Korn Shell
3. FUNCTIONS
  • Shell Functions
  • Positional Parameters
  • More on Functions
  • Korn Shell Function Files
4. USEFUL TOOLS
  • Command Punctuation
  • The test Statement
  • Variable Types
  • Bourne Shell Arithmetic Operations
  • Korn Shell Arithmetic Operations
  • Korn Shell Arrays
  • Debugging Shell Scripts
5. CONDITIONALS
  • The if Statement
  • Numeric and String Comparison
  • if/then/else
  • if/then/elif/else
  • The case Statement
6. LOOPSs
  • The while Loop
  • The until Loop
  • The for Loop
  • break and continue
  • The Korn Shell select Loop
  • The PS3 System Variable
  • Terminating the select Loop
  • Submenus with the select Loop
7. THE SED EDITOR
  • What is sed?
  • sed Editing Commands
  • Printing Text with sed
  • Substituting Text with sed
  • Deleting Text with sed
  • Multiple Editing Commands with sed
  • sed Script Files
  • Reading Text in From a File
  • Writing Output Files with sed
8. AWK
  • awk Syntax
  • Built-in awk Variables
  • Printing with awk
  • Pattern Searching with awk
  • awk Scripts
  • Additional Variable Use
9. Summary Slide