Sams Teach Yourself Shell Programming in 24 Hours (Web site layout)
Sams Teach Yourself Shell Programming in 24 Hours Contents Index Hour 23: Scripting for Portability Previous Chapter Next Chapter Sections in this Chapter: Determining UNIX Versions Questions Techniques for Increasing Portability Terms Summary Previous Section Next Section Terms Conditional Execution Conditional execution alters the execution of a script based on the system type. A script that uses conditional execution usually contains an if statement at the beginning that sets variables to indicate the commands to use on a particular platform. Abstraction Scripts that use abstraction retain the same basic flow by placing the conditional execution statements within functions. When a function is called, it makes a decision as to what commands execute for a given platform. Sams Teach Yourself Shell Programming in 24 Hours Contents Index Hour 23: Scripting for Portability Previous Chapter Next Chapter Sections in this Chapter: Determining UNIX Versions Questions Techniques for Increasing Portability Terms Summary Previous Section Next Section Copyright Macmillan Computer Publishing. All rights reserved.
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