Course description
This Hewlett Packard HP-UX Posix Shell Programming training 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.
Exercises and examples are used throughout the course to give practical hands-on experience with the techniques covered.
Who will the Course Benefit?Programmers, administrators and support personnel who need to understand existing shell scripts, automate procedures and write their own utilities.
The course assumes knowledge of the HP-UX Operating System to the level covered in the HP-UX Introduction course. Some programming experience may also prove advantageous.
Course ObjectivesTo provide the skills needed to develop and customise shell programs.
Upcoming start dates
Suitability - Who should attend?
The HP-UX Shell Programming course assumes knowledge of the HP-UX Operating System to the level covered in the HP-UX Introduction course. Some programming experience may also prove advantageous.
Experience to the level as demonstrated in this course is recommended:
- HP-UX Introduction
Training Course Content
HP-UX Shell Programming Training Course
Course Contents - DAY 1
Course Introduction- Administration and course materials
- Course structure and agenda
- Delegate and trainer introductions
- Basic Unix commands
- General commands
- File and directory handling commands
- Filename generation and regular expression characters
- I/O Redirection features
- Other commands
- What is a shell script?
- Development guidelines
- Creating and editing shell scripts
- Naming and storing shell scripts
- Executing shell scripts
- Exercise: Write a simple shell script
- Environment variables
- Local variables
- Assigning values to variables
- Assessing variable values
- Using quotes
- Delimiting variable names
- Echo control sequences
- Exercise: Add variables to a script
- Using the expr command
- Using the (( )) notation
- Exercise: Add integer arithmetic to a shell script
- The read command
- Command line arguments
- Exercise: Writing a generic shell script
- Exercise: Writing an interactive shell script
- The if statement
- The test command
- Exercise: Adding validation to previous scripts
- Other test notations
- Default and substitute variables
- Exit status codes
- Exercise
Course Contents - DAY 2
Session 8: LOOP CONSTRUCTS- The while loop
- The until loop
- The for loop
- The while true and until false loops
- Loop control commands
- Exercise: Enhancing the previously written scripts
- Exercise: Writing a script to copy files using a 'for' loop
- Exercise: Writing a script to generate numbers with the 'while' loop
- The case statement
- Menu driven applications
- Exercise: Developing and writing a menu system
- What is a function?
- Syntax
- Examples
- Exercise: Add a function to a script
- Interrupt signals
- Trapping interrupts
- Exercise: Adding traps to the menu script
- The exec commands
- The includes notation
- More about loops
- Arrays
- Here Documents
- Exercise: Create a here script
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Continuing Studies
Further Learning
- HP-UX System Administration
- Oracle SQL
- HP-UX Advanced Shell Programming Tools
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