Korn Shell Programming Course, Korn Shell Training, Learn Korn Shell

Microsoft Certified Partner

Korn Shell Programming

Duration: 3 days | Price: Contact a Career Consultant for pricing

Students Will Learn:

Input/Output Techniques
Looping and Conditional Branching
Functions, Math, and Arrays

String Manipulation
Command Line Arguments
File Handling and Manipulation

Description: This hands on Korn Shell scripting course provides a comprehensive introduction to writing Korn shell scripts. Besides covering fundamental syntax for program flow control, variable assignment and substitution, I/O control, and mathematical expressions, it emphasizes the powerful features that are unique to this shell, including built-in string operators, variable typesetting/conversion, functions, and coprocess communication and control. The creative use of standard UNIX utilities within scripts to solve problems is stressed throughout. The course is designed for the administrators and programmers who are developing, testing, or integrating software on UNIX, as well as for advanced UNIX users.

Prerequisites: Familiarity with UNIX file system and commands

Korn Shell Programming Course Overview:

Introduction Shells: Bourne, Korn, C, bash Korn Shell Environment Startup Scripts (.profile, .kshrc) Using ENV for automatic environment tailoring		Korn Shell Command Syntax Commands Options Manipulating Input and Output Redirection Pipes Aliases (alias, unalias) How the Shell Finds Commands Command History and Editing
Variables Assigning Values to Variables set and Special Variables unset Built-in Variables Known to Login Shell The Environment- Exporting Variables		The Korn Shell as a Programming Language Data Types (typeset) Formatting Base Conversion Read Only and Other Special Attributes Input/Output Conditional Logic and Loops Functions Tests
Input/Output Basic I/O Features String and Field Processing Streams and pipes (exec) Terminal Information (COLUMNS, LINES, TERM) stty		Shell Scripts Creating Scripts Executing Scripts Passing Arguments to Scripts Built-in Variables Known to Scripts Setting Variables with read Printing with print Special Characters Exiting with exit Debugging
String Manipulation String Comparison String Relations Concatenation Substring Manipulations Wildcards and Pattern Matching		Conditional Branching If/Then else/elif Statement blocks case Statement Loops (for, while, until) Simple Menus (select)
Math Operators and Functions Dealing with Floating Point Numbers		Arrays Declaring Arrays Setting and Retrieving Values
Command Line Arguments Positional Parameters Manipulating Positional Parameters (set, sort, shift) Analyzing Switches with getopts Options Reserved Variables (OPTARG, OPTIND, IFS)		Manipulating Files within Scripts File Operations Testing Files and Directories Changing Protections
Overview of File Manipulation Utilities Input/Output Redirection Editing a File from a Script Scripting with ed or vi UNIX Utilities to Manipulate Files Regular Expressions grep and egrep The Stream Editor sed sort awk Other Text File Utilities		Functions Advantages of Functions Writing Functions Calling Functions Functions Arguments Returning Values Local and Global Variables Predefined Functions Exporting Functions Autoloading Functions Returning a Value from a Function Scope of Functions Examples of Useful Functions
Session Control Keyboard Suspend Function Foreground and Background Jobs (bg, fg, %, jobs, wait, nohup, nice) Signals (kill, trap) Coprocesses and Pipes Error Processing (ERRNO, $?) Reserved Variables		Example Uses of Scripts Prototyping Daily Backup File Selection Installation Scripts Add a User Change all File Extensions Prompt for Input Accounting
Combining Shell Scripts and Compiled Languages Advantages and Disadvantages of the Korn Shell Function Libraries		Scheduling Execution sleep date cron and crontab
Using UNIX Utilities to Talk to Other Users who, mail, reply, talk, lpr		UNIX Utilities to Report System Status df, ps, mt, du

Student Testimonials

"One of the best training classes I have ever had. I will definitely recommend HOTT to my friends for their training needs."
– J.W., Independent Contractor

"Great instructor; very responsive to every question, would stay with us after hours."
– E.G., Statesman.com

"I learned a great deal from this class. The knowledge I gained will help me greatly at work."
– K.S., Emerson Corp.

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