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Shell Programming (Covers Korn and Bourne Shells and BASH)
| Duration: 3 days |
| Participants: Application developers, technical users, system programmers, and any technical personnel who need a thorough understanding of the basics of shell programming. |
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Objectives:
Upon successful completion of this course you will be able to:
- Create and use shell programs to process data and perform system and network administration tasks. |
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Overview:
- This course provides a comprehensive review of command line features provided by the shell, and a thorough introduction to the shell's looping and conditional constructs. - This course covers Korn, Bourne, and BASH shells. . |
| Prerequisites: Working knowledge of UNIX, and ability to create and modify a small file. |
| Format: Lecture and discussion (50%) with programming exercises (50%). |
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Topic Outline:
- Overview Of Shell Functionality - Basics of Shell Programming Built-in shell variables Positional parameters User-defined variables Command substitution Redirection of standard input, standard output, and standard error Whitespace and IFS, Quoting, and Word Separation Filename expansion Debugging with shell traces Read command Control structures If, Case, While, Until, and For Pattern matching with the case structure - Commands Often Used in Control Structures Break Continue Shift Test Expr - Subshells and Control of the Shell Environment Set Env Export Readonly The . Command Passing values between programs Use of temporary files - Additional Korn Shell Topics ENV file Command line history, editing, and reexecution Tilde shorthands Filename completion Ksh features for the cd command Aliases Arrays Ksh features for the set command Variable attributes Let command |
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