Contents
Chapter 1: 
About I/O Devices
 
  • 1.1 Device Management Utilities
  • 1.2 Default Devices
  • 1.2.1 Devices
  • 1.2.2 Device Subtypes
  • 1.2.3 Magnetic Tape Devices
  • 1.3 Identifying Devices
  • 1.3.1 Device Mnemonics
  • 1.3.2 Device IDs
  • 1.3.3 Device Alias
  • 1.3.4 Default Device IDs and Mnemonics
  • 1.3.5 Device Types
  • 1.4 Defining Devices
  • 1.5 Managing Magnetic Tape Devices
  • 1.5.1 Defining Magnetic Tape Devices
  • 1.5.2 Deleting Outmoded Assignments
  • 1.6 Accessing Devices
  • 1.6.1 Allowing Users to Select Devices with the %IS Utility
  • 1.6.2 Accessing Devices with the OPEN Command
  • 1.6.3 Interpretation Levels for Devices
  • 1.7 Defining Default Mnemonic Spaces
  • 1.7.1 Pre-Defined Mnemonic Spaces
    • Chapter 2: 
    I/O Devices and Commands
     
  • 2.1 Overview of I/O Commands
  • 2.1.1 General I/O Syntax
  • 2.1.2 OPEN Command
  • 2.1.3 USE Command
  • 2.1.4 READ Command
  • 2.1.5 WRITE Command
  • 2.1.6 CLOSE Command
  • 2.2 Specifying I/O Devices
  • 2.3 Allowing Users to Specify a Device
  • 2.3.1 How %IS Works
  • 2.3.2 %IS Mnemonics
  • 2.3.3 Structure of ^%IS Global
  • 2.4 Specifying Devices in I/O Commands
  • 2.4.1 Specifying Terminals and Printers by Device Name
  • 2.4.2 Specifying Devices by Caché ID
  • 2.4.3 Specifying Files on Disk
  • 2.5 Processes and Devices
  • 2.5.1 Principal Device and Current Device
  • 2.5.2 The Null Device
  • 2.5.3 One Process Owns a Device
  • 2.6 Application Development I/O Commands
  • 2.7 Device Special Variables
  • 2.8 Controlling Devices with Mnemonic Spaces
  • 2.8.1 Predefined Mnemonic Spaces
  • 2.8.2 Creating a Mnemonic Space
  • 2.8.3 Select a Mnemonic Space
    • Chapter 3: 
    Terminal I/O
     
  • 3.1 Overview of Terminal I/O Capabilities
  • 3.1.1 Your Login Terminal or Console is Your Principal Device
  • 3.2 Special Variables Show I/O Conditions
  • 3.2.1 $X and $Y and Cursor Position
  • 3.2.2 $TEST Shows Timed Operation Results
  • 3.2.3 $ZA Shows READ Status
  • 3.2.4 $ZB Shows What Ended a READ
  • 3.3 OPEN and USE Commands
  • 3.3.1 OPEN Command
  • 3.3.2 USE Command
  • 3.3.3 Positional Parameters for OPEN and USE Commands
  • 3.3.4 Keyword Parameters for OPEN and USE Commands
  • 3.3.5 Testing the Success of OPEN Commands
  • 3.3.6 Letter Code Protocols for OPEN and USE
  • 3.3.7 Using Terminators to End I/O Operations
  • 3.3.8 Summary of Protocols and Terminators in Read Operations
  • 3.4 READ Command
  • 3.4.1 Syntax
  • 3.4.2 Examples
  • 3.4.3 Special Protocol Characters Affect Terminal I/O
  • 3.4.4 How the READ Command Processes Input
  • 3.5 WRITE Command
  • 3.5.1 Syntax
  • 3.5.2 Examples
  • 3.6 CLOSE Command
  • 3.6.1 Syntax
  • 3.6.2 Pre-Defined Mnemonic Spaces for Terminals
  • 3.6.3 Mnemonic Space for X3.64
  • 3.6.4 Mnemonic Space for DTM PC Console
  • 3.6.5 Examples
  • 3.7 PRINT and ZPRINT Commands
  • 3.7.1 Syntax
  • 3.8 Programming Your Terminal
  • 3.8.1 Using Caché to Program Formatted CRT Screens
  • 3.8.2 Programming Escape Sequences
  • 3.8.3 Example
  • 3.8.4 Caché Supports Full or Half Duplex and Echo
  • 3.8.5 Caché Supports Intercomputer Links and Special Devices
    • Chapter 4: 
    Spool Device
     
  • 4.1 Opening and Using the Spool Device
  • 4.1.1 OPEN and USE Commands for Spooling Device
  • 4.2 Spooling and Special Variables
  • 4.3 Closing the Spool Device
  • 4.3.1 Changing Namespaces
  • 4.3.2 Abort Job Processing
  • 4.4 Viewing the ^SPOOL Global Using Caché Explorer
  • 4.5 Opening the Spooler Using the %IS Utility
  • 4.6 Managing Spooled Documents
  • 4.6.1 Printing with %SPOOL
  • 4.6.2 Listing Spooled Documents
  • 4.6.3 Deleting Spooled Documents
    • Chapter 5: 
    Interprocess Communication
     
  • 5.1 Using Pipes to Communicate with Processes
  • 5.1.1 Opening Pipes to Caché Utilities
  • 5.1.2 OPEN Command for Interprocess Communication
  • 5.1.3 READ Command for Interprocess Communication
  • 5.1.4 Using Named Pipes to Communicate with Visual Basic
  • 5.2 Communication Between Caché Processes
  • 5.2.1 Specifying Memory Buffers for Interjob Communication Devices
  • 5.2.2 Interjob Communication Device Numbers
  • 5.2.3 I/O Commands for IJC Devices
  • 5.3 Using the TCP Binding to Connect Client/Server Systems
  • 5.3.1 TCP Connections Overview
  • 5.3.2 Initiating a TCP Connection with the OPEN Command
  • 5.3.3 USE Command for TCP Binding Devices
  • 5.3.4 READ Command for TCP Binding Devices
  • 5.3.5 WRITE Command for TCP Devices
  • 5.3.6 Connection Management
  • 5.3.7 Concatenation of Records
  • 5.3.8 Closing the Connection
    • Chapter 6: 
    Magnetic Tape I/O
     
  • 6.1 Choosing a Tape Handler
  • 6.2 Using the Caché Magnetic Tape Handler
  • 6.2.1 OPEN Command
  • 6.2.2 USE Command
  • 6.2.3 READ Command
  • 6.2.4 WRITE Command
  • 6.2.5 CLOSE Command
  • 6.3 Reading and Writing OpenVMS Labeled Tapes
  • 6.4 Reading and Writing ANSI and EBCDIC Labeled Tapes
  • 6.4.1 DOS Labels
  • 6.4.2 Record Structure
  • 6.4.3 File Structure
  • 6.4.4 Creating Files on a Labeled Tape
  • 6.5 Special Variables Show I/O Conditions
  • 6.5.1 $ZA Holds Magnetic Tape Status
  • 6.5.2 $ZB Holds Information about Driver Buffer
  • 6.6 Magnetic Tape Mnemonic Space for WRITE /mnemonic
  • 6.7 Using the OpenVMS Magnetic Tape Handler
    • Chapter 7: 
    RMS and Sequential File I/O
     
  • 7.1 Using Sequential Files
  • 7.1.1 Overview of Sequential File I/O
  • 7.1.2 OPEN Command
  • 7.1.3 USE Command
  • 7.1.4 READ and WRITE Commands
  • 7.1.5 CLOSE Command
  • 7.2 Using RMS Files
  • 7.2.1 Overview of RMS Files on OpenVMS Systems
  • 7.2.2 OPEN Command
  • 7.2.3 USE Command
  • 7.2.4 READ Command
  • 7.2.5 WRITE Command
  • 7.2.6 CLOSE Command
    • Copyright  © 1997-2004, InterSystems Corp. Last updated: 2004-05-17 11:38:43 Source: GIOD.xml