IBM SC34-5764-01 User Manual
Rexx guide
Table of contents
Document Outline
- Contents
- Preface
- Part 1. User's Guide
- Chapter 1. Introduction
- Chapter 2. Writing and Running a REXX Program
- What you need to run a REXX Program?
- What is a REXX Program?
- Syntax of REXX Instructions
- Programs Using Double-Byte Character Set Names
- Typing in a Program
- Interpreting Error Messages
- How to Prevent Translation to Uppercase
- Passing Information to a program
- Chapter 3. Using Variables and Expressions
- Chapter 4. Controlling the Flow within a program
- Chapter 5. Using Functions
- Chapter 6. Writing Subroutines and Functions
- Chapter 7. Manipulating Data
- Chapter 8. Using Commands from a program
- Chapter 9. Diagnosing Problems within a program
- Chapter 10. Programming Style and Techniques
- Part 2. Reference
- Chapter 11. Introduction
- Who Should Read This Reference
- How to Use This Reference
- Overview of Product Features
- SAA Level 2 REXX Language Support Under REXX/CICS
- Support for the Interpretive Execution of REXX Execs
- CICS-Based Text Editor for REXX Execs and Data
- VSAM-Based File System for REXX Execs and Data
- VSE Librarian Sublibraries
- Dynamic Support for EXEC CICS Commands
- REXX Interface to CEDA and CEMT Transaction Programs
- High-level Client/Server Support
- Support for Commands Written in REXX
- Command Definition of REXX Commands
- Support for System and User Profile Execs
- Shared Execs in Virtual Storage
- SQL Interface
- How to Read the Syntax Diagrams
- Chapter 12. REXX General Concepts
- Structure and General Syntax
- Expressions and Operators
- Clauses and Instructions
- Assignments and Symbols
- Commands to External Environments
- Basic Structure of REXX Running Under CICS
- Support of Standard REXX Features
- REXX Command Environment Support
- Support of Standard CICS Features/Facilities
- Interfaces to Other Programming Languages
- Chapter 13. Keyword Instructions
- Chapter 14. Functions
- Syntax
- Functions and Subroutines
- Built-in Functions
- ABBREV (Abbreviation)
- ABS (Absolute Value)
- ADDRESS
- ARG (Argument)
- BITAND (Bit by Bit AND)
- BITOR (Bit by Bit OR)
- BITXOR (Bit by Bit Exclusive OR)
- B2X (Binary to Hexadecimal)
- CENTER/CENTRE
- COMPARE
- CONDITION
- COPIES
- C2D (Character to Decimal)
- C2X (Character to Hexadecimal)
- DATATYPE
- DATE
- DBCS (Double-Byte Character Set Functions)
- DELSTR (Delete String)
- DELWORD (Delete Word)
- DIGITS
- D2C (Decimal to Character)
- D2X (Decimal to Hexadecimal)
- ERRORTEXT
- EXTERNALS
- FIND
- FORM
- FORMAT
- FUZZ
- INDEX
- INSERT
- JUSTIFY
- LASTPOS (Last Position)
- LEFT
- LENGTH
- LINESIZE
- MAX (Maximum)
- MIN (Minimum)
- OVERLAY
- POS (Position)
- QUEUED
- RANDOM
- REVERSE
- RIGHT
- SIGN
- SOURCELINE
- SPACE
- STORAGE
- STRIP
- SUBSTR (Substring)
- SUBWORD
- SYMBOL
- TIME
- TRACE
- TRANSLATE
- TRUNC (Truncate)
- USERID
- VALUE
- VERIFY
- WORD
- WORDINDEX
- WORDLENGTH
- WORDPOS (Word Position)
- WORDS
- XRANGE (Hexadecimal Range)
- X2B (Hexadecimal to Binary)
- X2C (Hexadecimal to Character)
- X2D (Hexadecimal to Decimal)
- External Functions Provided in REXX/CICS
- Chapter 15. Parsing
- Chapter 16. Numbers and Arithmetic
- Chapter 17. Conditions and Condition Traps
- Chapter 18. REXX/CICS Text Editor
- Invocation
- Screen Format
- Prefix Commands
- Macros Under the REXX/CICS Editor
- Command Line Commands
- Chapter 19. REXX/CICS File System
- File Pools, Directories, and Files
- Current Directory and Path
- Security
- RFS commands
- File List Utility
- Macros under the REXX/CICS File List Utility
- FLST Commands
- FLST Return Codes
- Running Execs and Transactions from FLST
- Chapter 20. REXX/CICS List System
- Chapter 21. REXX/CICS Command Definition
- Chapter 22. REXX/CICS DB2 Interface
- Chapter 23. REXX/CICS High-level Client/Server Support
- Chapter 24. REXX/CICS Panel Facility
- Chapter 25. REXX/CICS Commands
- Part 3. Appendixes
- Appendix A. Error Numbers and Messages
- Appendix B. Return Codes
- Appendix C. Double-Byte Character Set (DBCS) Support
- Appendix D. Reserved Keywords and Special Variables
- Appendix E. Debug Aids
- Appendix F. REXX/CICS Business Value Discussion
- Appendix G. System Definition/Customization/Administration
- Authorized REXX/CICS Commands/Authorized Command Options
- System Profile Exec
- Authorized REXX/CICS VSE Librarian sublibraries
- Defining Authorized Users
- Setting System Options
- Defining and Initializing a REXX File System (RFS) File Pool
- Adding Files to a REXX File System (RFS) File Pool
- RFS File Sharing Authorization
- Creating a PLT Entry for CICSTART
- Security Exit
- Appendix H. Security
- Appendix I. Performance Considerations
- Appendix J. Basic Mapping Support Example
- Appendix K. Post-Installation Configuration
- Bibliography
- Notices
- Trademarks
- Index
- Sending your comments to IBM