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  UNIX/Linux Shell Scripting培訓

Introduction
Objectives
Course Schedule
Course Introductions
Pre-requisites
Bibliography
Delegate Responsibilities
Course Summary
Review of Basics - optional
Files
Directories and Processes
Displaying Directories - ls
Getting Help - man
Displaying Files - cat, more
Simple Commands
Piping - using | symbol
Redirection - using > symbol
Redirection - using >> symbol
Redirecting Input - using < symbol
Redirecting Errors
Using /dev/null
Foreground Jobs
Background Jobs - &
Stopping Jobs - kill
Special Files - . and ..
The Command Prompt - PS1
Creating Aliases
Using Aliases
Command history
Command Line Edit - using Arrow Keys
Command Line Edit - using vi
Customising the Shell
The Home Directory - HOME
The Working Directory - pwd
Changing Directories - cd
Make Directory - mkdir
Remove Directory - rmdir
Interactive Copy - cp -i
Interactive Move - mv -i
Interactive Remove - rm -i
Removing Directories - rm -r
Wild Cards - File Name Generation
Word count - wc
Finding Files - find
Finding Text in Files - grep, sort, cut, uniq, tr
Changing Permissions - chmod
Shell Programming
Creating Shell Scripts
Testing the Command
Creating the Script File
Adding Execute Permissions
Testing the Script
Running the Script - time
Running the Script - dot
Running the Script - exec
Running the Script - ksh
Debugging the Script
Passing Parameters
The read Command
Using read in Scripts
Choosing the Shell
Tidying The Output
Suppressing Input - stty
Special Characters and Variables
Quotation Marks
Quoted Strings - ", '
Escape Character - *
Quoted Strings - `
Using $(...)
System Variables - set
Other Special Variables
User Variables
User Variables - unset
Variables in Scripts
Typeset Command
Integer Variables
Special Constructs
Creating Menus
Conditions - case
Creating a Menu
Iteration - while, until
Holding the Output - sleep
Holding the Output - dummy read
Ending the Script
Ending the Loop
Hidden Option - forking a shell
Trapping Interrupts - trap
More on Interrupts
Highlighting Text- tput
Positioning the Cursor - backtab \b
Korn Shell Menu
Selection
Conditional Testing
Testing File Attributes
Testing File Permissions
Multiple Tests - Nested ifs
Multiple Tests - elseif
The NOT Condition
Multiple Conditions in One Test
Testing Strings
Using Square Brackets
Avoiding Null Input
Testing Numbers
More on case
Displaying Variables
Placing Spaces
Testing Commands
Iteration, Looping
Computations - let
Iteration - while, until
Infinite Loop
Iteration - for
More than 9 Parameters - shift
Sub-scripts and Functions
Local and Global Variables
Sub-scripts
Export Command
Exit Status
Aliases
Functions
Useful Functions
Return Status
Manipulating Functions
Functions in Scripts
Advanced Commands
Debugging - set
Setting - set
Merging Files - join
Merging Files - paste, basename and dirname
Job Control - jobs
Regular Expressions
Global Regular Expression Printer - grep
Expression grep - egrep
Fast grep - fgrep
Computations - expr
Computations – bc, eval Command,
Argument Processing
getopts Command
Using Arrays
Advanced Edit – vi & sed
vi - Mapping Key Combinations
Mapping Control Keys
Using Abbreviations
Editing Many Files
Regular Expressions
Global Insert
Here document,
Batch Stream Editor - sed, sed delete, -d, sed print, -p, sed suppress, -n, sed quit, -q, sed file, -f, sed Multiple Input, sed
Find and Replace
sed Example
Text File Processing - awk
The awk Programming Tool
Pattern Matching
Regular Expressions
Comparison Patterns
Compound Patterns
Range Patterns
Special Patterns
Built-in Functions
Troubleshooting awk Scripts
Passing Parameters
Using Contains
printf Function
Computations
Functions
substr
length
Action Statements
Control Flow Statements
Arrays
Arrays with for Loops
awk Examples