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Shell Programming (Bourne and Korn Shell versions available.)
| 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 is presented using either Korm or Bourne shell. The Korn shell version also introduces various shell options as well as command line and programming features. |
| 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 New features of the cd command Aliases Arrays New capabilities of the set command Variable attributes Let command |
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