CU012 - UNIX awk Programming

Length: 2 Days

Description

Course Objectives

1. Design and develop AWK programs;
2. Use AWK for file processing and report generation.

Course Materials

1. UNIX AWK ProgrammingStudent Guide and course notes.

Prerequisites

1. CU001 - Fundamentals of UNIX
2. CU002 - Bourne Shell Programming or CU003 - Korn Shell Programming
3. A knowledge of C programming is helpful although not necessary.

Course Content

1. INTRODUCTION TO AWK PROGRAMMING
   1. Format of awk Programs
   2. Basic awk Syntax
   3. Comments in awk Programs
   4. Executing awk Programs
2. RECORDS, FIELDS, AND VARIABLES
   1. Records and Fields
   2. Positional Variables
   3. Predefined Variables
   4. User Defined Variables
3. PATTERN SPECIFICATIONS AND OPERATORS
   1. Pattern Specifications
   2. Special Symbols Tables
   3. Relational Operators
   4. Arithmetic Operators
   5. Compound Assignment Operators
   6. Incremental Operators
4. PRINT STATEMENTS
   1. Unformatted Print
   2. Printing Variables
   3. Printing Character Strings
   4. Formatted Print
   5. Output Redirection
   6. Pipes
5. CONDITIONAL TESTS AND LOOPING MECHANISMS
   1. if, if-elseStatements
   2. whileLoops
   3. forLoops
   4. breakand continue Statements
   5. nextand exit statements
6. AWK FUNCTIONS
   1. String Handling Functions
   2. Mathematical Functions
   3. Arrays
7. AWK AND THE SHELL
   1. Passing Shell Arguments to AWK
   2. Passing AWK Output to the shell
8. COURSE CONCLUSION

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