WA1014 Shell Programming Training and Courseware

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Students learn to read, write, and debug shell scripts, thus increasing productivity by taking full advantage of the UNIX shell.

Topics
	Shells and Shell Scripts The Shell Enviornment Functions Useful Tools Conditionals Loops The SED Editor AWK

Audience
	UNIX users, programmers, and system administrators.

Prerequisites
	Fundamentals of UNIX.

Suggested Supplemental Reference
	Learning the Korn Shell, O'Reilly & Assoc., ISBN 1565920546

Duration
	Three days.

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

We regularly offer classes in these and other cities. Atlanta, Austin, Baltimore, Calgary, Chicago, Cleveland, Dallas, Denver, Detroit, Houston, Jacksonville, Miami, Montreal, New York City, Orlando, Ottawa, Philadelphia, Phoenix, Pittsburgh, Seattle, Toronto, Vancouver, Washington DC.