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>10. Organization of this document</H1
><P
>This guide discusses concepts useful in the daily life of the serious Bash user. While a basic knowledge of the usage of the shell is required, we start with a discussion of the basic shell components and practices in the first three chapters.</P
><P
>Chapters four to six are discussions of basic tools that are commonly used in shell scripts.</P
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>Chapters eight to twelve discuss the most common constructs in shell scripts.</P
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>All chapters come with exercises that will test your preparedness for the
next chapter.</P
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>Chapter 1</A
>: Bash basics: why Bash is so good, building blocks, first guidelines on developing good scripts.</P
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>Chapter 2</A
>: Script basics: writing and debugging.</P
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>Chapter 3</A
>: The Bash Environment: initialization files, variables, quoting characters, shell expansion order, aliases, options.</P
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>Chapter 4</A
>: Regular expressions: an introduction.</P
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>Chapter 5</A
>: Sed: an introduction to the sed line editor.</P
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>Chapter 6</A
>:Awk: introduction to the awk programming language.</P
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>Chapter 7</A
>: Conditional statements: constructs used in Bash to test conditions.</P
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>Chapter 8</A
>: Interactive scripts: making scripts user-friendly, catching user input.</P
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>Chapter 9</A
>: Executing commands repetitively: constructs used in Bash to automate command execution.</P
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>Chapter 10</A
>: Advanced variables: specifying variable types, introduction to arrays of variables, operations on variables.</P
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>Chapter 11</A
>: Functions: an introduction.</P
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>Chapter 12</A
>: Catching signals: introduction to process signalling, trapping user-sent signals.</P
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