Table of Contents
Chapter 1. Shell Programming!.........................................................................................................................1
Chapter 2. Starting Off With a Sha-Bang........................................................................................................3
2.1. Invoking the script............................................................................................................................6
2.2. Preliminary Exercises.......................................................................................................................6
Part 2. Basics.......................................................................................................................................................7
Chapter 3. Special Characters...........................................................................................................................8
Chapter 4. Introduction to Variables and Parameters..................................................................................29
4.1. Variable Substitution......................................................................................................................29
4.2. Variable Assignment.......................................................................................................................32
4.3. Bash Variables Are Untyped..........................................................................................................33
4.4. Special Variable Types...................................................................................................................34
Chapter 5. Quoting...........................................................................................................................................40
5.1. Quoting Variables...........................................................................................................................40
5.2. Escaping..........................................................................................................................................42
Chapter 6. Exit and Exit Status.......................................................................................................................48
Chapter 7. Tests................................................................................................................................................51
7.1. Test Constructs...............................................................................................................................51
7.2. File test operators............................................................................................................................58
7.3. Other Comparison Operators..........................................................................................................61
7.4. Nested if/then Condition Tests.......................................................................................................67
7.5. Testing Your Knowledge of Tests..................................................................................................67
Chapter 8. Operations and Related Topics....................................................................................................69
8.1. Operators.........................................................................................................................................69
8.2. Numerical Constants.......................................................................................................................75
8.3. The Double-Parentheses Construct.................................................................................................77
8.4. Operator Precedence.......................................................................................................................78
Part 3. Beyond the Basics.................................................................................................................................81
Chapter 9. Another Look at Variables...........................................................................................................82
9.1. Internal Variables............................................................................................................................82
9.2. Typing variables: declare or typeset.............................................................................................101
9.2.1. Another use for declare.......................................................................................................103
9.3. $RANDOM: generate random integer..........................................................................................103
Chapter 10. Manipulating Variables.............................................................................................................115
10.1. Manipulating Strings...................................................................................................................115
10.1.1. Manipulating strings using awk........................................................................................122
10.1.2. Further Reference..............................................................................................................123
10.2. Parameter Substitution................................................................................................................123
Advanced Bash-Scripting Guide
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xx_sck2015-08-1432个赞，内容很好很强大，非常详细。
qq6178672122014-07-18很全，很细。感谢楼主分享！
