HP 3000 Manuals

Command Interpreter Access and Variables Programmer's Guide

Table of Contents

 Command Interpreter Access and Variables Programmer's Guide
   Command Interpreter Access and Variables Programmer's Guide : COPYRIGHT NOTICE

   Ch 1.  Introduction
      What Is the Command Interpreter?
      How Is the Command Interpreter Used?
      How Programmers Use the CI

   Ch 2.  Accessing the Command Interpreter
      Issuing Commands Directly
      Reissuing and Modifying Commands
      Issuing Commands Through UDCs
          Creating a UDC File
          Executing a UDC
          Specifying UDC Options
      Issuing Commands Through Command Files
          Creating a Command File
          Executing a Command File
          Specifying Options for Command Files
      Issuing Commands from an Application Program
      Parameter Handling
          ANYPARM

   Ch 3.  Setting and Manipulating Variables
      Setting User-Defined Variables
          Defining Variable Type
          Displaying User-Defined Variables
          Naming Variables
          Deleting User-Defined Variables
      Using Predefined Variables
          Displaying Values
          Modifying Values
      Accessing Variable Values
          Implicit Dereferencing
          Explicit Dereferencing
          Recursive Dereferencing
      Substituting Strings

   Ch 4.  Evaluating Expressions
      Using Expressions in CI Commands
          Performing Arithmetic Operations
          Evaluating Strings
          Performing Bit Operations
          Converting Numbers
          Evaluating File Characteristics
          Comparing Results
      Expression Substitution

   Ch 5.  Using Language Constructs Available with CI
      Obtaining Input
          Identifying Parameters
          Prompting for Input
          Retrieving Input from a File
      Branching After Evaluation
      Creating Processing Loops
      Reporting Results
          Displaying Output to the Terminal
          Redirecting Output to a File
      Returning to Calling Environment

   Ch 6.  Accessing Variables and CI Commands in Applications
      Using Intrinsics to Set Variables
      Using Intrinsics to Retrieve Variables
      Using Intrinsics to Execute CI Commands

   Ch 7.  Sample Command Files
      To Center a String
      To Set a Function Key
      To Add User Capabilities
      To Retrieve File Information
      To Create a Calculator
      To Create a Menu of Options
      To List Multiple Files

   Ch 8.  Command Input/Output Redirection (CIOR)
      Redirecting Command Input and Output
          Redirecting Command Input
          Redirecting Command Output
          Redirecting Both Command Input and Output
          Redirecting I/O with a File Backreference
          Appending Redirected Command Output
          Redirecting Output to a Device File
             The Append Option with Device Files
      Stacked I/O Redirection
      Things to Remember about Redirection Constructions
      Escaping Redirection
      Redirection File Defaults
      Determining Redirection: HPSTDIN and HPSTDLIST

   Ap A. Predefined Variables

   Ap B. Evaluator Functions
   INDEX
       Index

MPE/iX 5.0 Documentation