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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.
HP-UX Shell Programming Training Course Course Contents - DAY 1 Course Introduction Administration and course materials Course structure and agenda Delegate and trainer introductions Session 1: HP-UX COMMAND REVIEW Basic Unix commands General commands File and directory handling commands Filename generation characters I/O Redirection features Other commands Session 2: GETTING STARTED 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 Session 3: USING VARIABLES 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 Session 4: INTEGER ARITHMETIC Using the expr command Using the (( )) notation Exercise: Add integer arithmetic to a shell script Session 5: HANDLING RUN TIME DATA The read command Command line arguments Exercise: Writing a generic shell script Exercise: Writing an interactive shell script Session 6: CONDITION EXECUTION The if statement The test command Other test notations Default and substitute variables Exit status codes Exercise: Adding validation to previous scripts HP-UX Shell Programming Training Course Course Contents - DAY 2 Session 7: 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 Session 8: MULTI-BRANCH DECISIONS The case statement Menu driven applications Exercise: Developing and writing a menu system Session 9: FUNCTIONS What is a function Syntax Examples Exercise: Add a function to a script Session 10: INTERRUPT HANDLING Interrupt signals Trapping interrupts Exercise: Adding traps to the menu script Session 11: ADDITIONAL FEATURES AND FACILITIES The exec commands The includes notation More about loops Arrays Here Documents Exercise: Create a here script
To provide the skills needed to develop and customise shell programs.