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Advanced DCL Programming
Concepts
Many scripts require no more than a sequence of simple commands. More demanding programming tasks, however, require more advanced statement structuring and sequencing to process data sets in ways that depend on the logical relationships among the data items and the processing steps. This module introduces several statement types available in DCL to implement selective and iterative data processing. DCL provides enough flow control to enable programmers to emulate the iteration and looping constructs of high-level languages. Additionally, the module covers file operations in DCL and offers suggestions for data checking and error handling.
Objectives
  • Use DCL programming syntax for selection and iteration
  • Perform file operations within command procedures
  • Implement data checking and error handling in command procedures
Topics
  • Using DCL programming features
    • Selection statements
    • Iteration basics
    • Subroutines
  • Using files
  • Checking data and handling errors
 

Course Information

Title: Advanced DCL Programming
  Code: vp100-11
  Hours: 2.0
 

Modules in this Series
Introduction to OpenVMS
 
View The OpenVMS Operating System
View Interactive Access
View Using Interactive DCL Commands and Procedures
View Directories, Files, and RMS
View Editing Files
View Using Logical Names
View Operations on Files
View Submitting Jobs to Print and Batch Queues
View Networking and Communication
View Basic DCL Programming
View Advanced DCL Programming
 
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