HP-UX Shell Programming

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Provider rating: 10 Perpetual Solutions has an average rating of 10 (out of 1 reviews)
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Overview

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Schedule:
Daytime
Run time:
2 days
Location type:
Open

completion, maximum participants, and starting dateplaces are unknown for this course.

Course Description:

This course is designed to give delegates practical experience in developing and writing HP-UX shell scripts. Most of the built-in shell commands are introduced together with the main program control structures. This course is not suitable for C shell programmers.

The delegates will practise:

  • Writing simple scripts to enhance basic command output
  • Using the various shell quoting mechanisms appropriately
  • Manipulating shell variables and user-defined variables in scripts
  • Implementing conditional execution facilities
  • Using the shell's built-in loop constructs where appropriate
  • Writing scripts to trap user interrupts
  • Developing menu-driven shell scripts

This course includes the …

Read the complete description

Description

Course Description:

This course is designed to give delegates practical experience in developing and writing HP-UX shell scripts. Most of the built-in shell commands are introduced together with the main program control structures. This course is not suitable for C shell programmers.

The delegates will practise:

  • Writing simple scripts to enhance basic command output
  • Using the various shell quoting mechanisms appropriately
  • Manipulating shell variables and user-defined variables in scripts
  • Implementing conditional execution facilities
  • Using the shell's built-in loop constructs where appropriate
  • Writing scripts to trap user interrupts
  • Developing menu-driven shell scripts

This course includes the following modules:

HP-UX Command Review

  • Basic Unix commands
  • General commands
  • File and directory handling commands
  • Filename generation characters
  • I/O Redirection features
  • Other commands

Getting Started

  • What is a shell script?
  • Development guidelines
  • Creating and editing shell scripts
  • Naming and storing shell scripts
  • Executing shell scripts

Using Variables

  • Environment variables
  • Local variables
  • Assigning values to variables
  • Assessing variable values
  • Using quotes
  • Delimiting variable names
  • Echo control sequences

Integer Arithmetic

  • Using the expr command
  • Using the (( )) notation

Handling Run Time Data

  • The read command
  • Command line arguments

Condition Execution

  • The if statement
  • The test command
  • Other test notations
  • Default and substitute variables
  • Exit status codes

Loop Constructs

  • The while loop
  • The until loop
  • The for loop
  • The while true and until false loops
  • Loop control commands

Multi-branch Decisions

  • The case statement
  • Menu driven applications

Functions

  • What is a function?
  • Syntax
  • Examples

Interrupt Handling

  • Interrupt signals
  • Trapping interrupts

Additional Features andd Facilities

  • The exec commands
  • The includes notation
  • More about loops
  • Arrays
  • Here Documents

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