| UNIX Shell Scripting |
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| Introduction |
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Course Structure |
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What is the UNIX Shell? |
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Which Shell ? |
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What is a Shell Script ? |
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| Your First Shell Script |
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A Basic Script |
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The echo Command |
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The read Command |
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Shell Basics Revisited |
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Special Characters |
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Comments |
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Chapter Exercises |
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Exercise Solutions |
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| Running a Shell Script |
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Running a Script on the Command-line |
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Running a Script from within vi |
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Your PATH and bin |
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Script Interpreters |
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CGI Scripts |
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| Shell Programming Features |
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Shell Variables |
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Environment Variables |
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The Trouble with Quotes |
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Grouping Commands |
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Line Control |
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Chapter Exercises |
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Exercise Solutions |
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Introducing the Course Project |
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Course Project Solution |
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| Conditional Code |
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True and False |
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Conditional Command Execution |
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The if Statement |
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The else Clause |
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The elif Clause |
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Using test |
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The case Statement |
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Chapter Exercises |
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Exercise Solutions |
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Loops |
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The while Loop |
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break and continue |
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Numerical Calculations |
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The for Loop |
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Chapter Exercises |
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Exercise Solutions |
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| Text Processing |
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About Filters |
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grep |
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Regular Expressions |
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sort |
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sed |
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awk |
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Chapter Exercises |
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Exercise Solutions |
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| Functions |
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Program Structure |
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Defining and Calling a Function |
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Function Parameters |
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Function Return Values |
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Functions in Other Files |
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Case Study: The yesno Function |
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Chapter Exercises |
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Exercise Solutions |
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| Command-line Parameters |
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Using Command-line Parameters |
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Using shift |
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Using set |
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Using IFS |
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Usage Messages |
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Chapter Exercises |
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Exercise Solutions |
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| Advanced Scripting |
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Debugging |
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Default Values for Variables |
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Temporary Files |
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Preventing Abnormal Termination |
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Chapter Exercises |
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Exercise Solutions |
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