POSIX Shell Programming Eğitimi

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HP  » Performance Management Eğitimler

POSIX Shell Programming (H4322)

In this course, you will cover advanced POSIX shell programming for technical users and system administrators. You will learn the tools necessary to automate complex tasks and increase productivity. You will spend 50 percent of class in hands-on labs.

What You'll Learn

  • POSIX shell programming and using it to save time with automated scripts
  • Write efficient programs by understanding how shell scripts are processed
  • Customize shell start-up files
  • Easily control your administration tasks

Who Needs to Attend

HP-UX and UNIX general users, system administrators, network administrators, and software developers


  • UNIX Fundamentals or equivalent experience
  • Fundamental knowledge of programming
  • HP UNIX Fundamentals (51434)

Follow-On Courses

  • HP Perl Programming (H4311)

Course Outline

1. POSIX Shell Scripts

  • Shell Script
  • Script Execution
  • Subprocess Environment
  • Shell Features

2. Shell Scripting

  • Which Shell?
  • Recommended Shell Format
  • Planning to Write a Shell Script
  • Portability Issues

3. Variables

  • Variables
  • Displaying and Using Variables
  • Concatenation and Substrings
  • Other Sources of Data for Variables

4. User input

  • Reading User Input
  • Positional Parameters
  • Creating Positional Parameters
  • Conditional Substitution
  • External Influences

5. Designing Program Output

  • Variable Attributes
  • Formatted Data
  • Cursor Positioning and Terminal Echo

6. Shell Arithmetic

  • Creating Integer-Only Variables
  • Base 10 and Others
  • Working with Arithmetic Operators and Data

7. Branching and Logic Testing

  • Logic Testing
  • Conditional Operators
  • Multi-Way Branching and the 'Case' Statement

8. Shell Patterns

  • Basic Expressions
  • More Complex Patterns
  • Pattern Combinations

9. Program Loops

  • 'While' Loop
  • 'Until' Loop
  • 'For' Loop
  • Breaking Out of a Loop and Continuing
  • 'Select' Loop

10. 'Getopts' Command

  • Processing Arguments
  • The getopts and OPTARG Variable
  • The OPTIND Variable

11. Array Variables

  • Substituting and Counting
  • Using Integer Variables as Element Numbers

12. Functions and Function Libraries

  • Displaying Current Shell Functions
  • Declaring and Using Functions
  • Variable Scope
  • Function Libraries and Recursion

13. Managing Input and Output

  • File Descriptors
  • Reading/Writing Using File Descriptors
  • Redirecting, Parameter Lists, and 'Here' Documents
  • Creating Parameter Lists from Input Lines

14. Traps and Signals

  • Common Signals
  • Trap and Stty Commands

15. Regular Expressions

  • Regular Expressions
  • Metacharacters
  • 'Grep' Command

16. Introduction to 'Awk'

  • Record Processing
  • Pattern Matching and Relational Expressions
  • 'Awk' Variables

17. Variables, Strings, and Arithmetic Operations

  • 'Awk' User Defined Variables
  • Environment Variables
  • Arithmetic Operations
  • String Manipulation
  • Formatted Output
  • Command Line Arguments

18. 'Awk' Flow Control

  • Conditional 'If', While, and For Loops
  • Arrays
  • 'getline', 'Next', and 'Exit'
  • Processing Arrays
  • Associative Arrays

19. Stream Editing with 'Sed'

  • Substituting Text
  • Deleting and Printing Lines
  • Reading and Writing Files
  • Multiple 'Sed' Editor Functions

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