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BASH PROGRAMMING
| Course Description |
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Students learn to read, write, and debug shell scripts, thus increasing productivity by taking full advantage of the bash shell.
Course Length: 3 Days
Course Tuition: $990 (US)
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| Prerequisites |
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| Fundamentals of UNIX or Fundamentals of Linux
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• UNIX Processes
What is a Process?
Process Structure
The ps Utility
Options to the ps Utility
Background Commands (&)
Killing Background Processes
Redirecting the Standard Error
• Getting Started
What is a Shell?
Running Scripts
Specifying the Script's Interpreter
The PATH Environment Variable
Sub-shells
• Variables
Shell Variables
The read Command
The export Command
The Shell Environment
Variable Substitution
Command Substitution
• The Login Process
The Login Process
The System Profile Script
Your .profile Script
The . Command
• Conditional Statements
The Exit Status of Commands
Command Line Examples
The test Command
The if-then-else Construct
The elif Construct
case Statements
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• Loops
The for Loop
The while Loop
Reading Lines From Files
Using Arrays with Loops
• Special Variables
$$ - PID of Shell
Command-Line Arguments
$# - Number of Arguments
$* - All Arguments
The shift Command
The set Command
Getting Options
• Quoting Mechanisms
Single vs. Double Quotes
What is a Here Document?
Using a Here Document
Here Document Quoting
Ignoring Leading Tabs
• Functions
Shell Functions
Passing Arguments to Functions
Returning Values from Functions
Function Declarations
• Advanced Programming
Shell Arithmetic
The select Statement
Terminal Independence in Scripts
The eval Command
• Debugging Techniques
Using echo
Using Standard Error
Options for Debugging
Script Tracing
Conditional Debugging
Download a detailed course outline (PDF)
Contact us for course schedules or more
information.
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