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How to access relational databases. ESDS, KSDS, which do you prefer? How to execute a REXX program. How to you run it? REXX Boolean operators How do you say AND, OR, and EXCLUSIVE OR in REXX? REXX Comparison operators How do you say equal, not equal, greater than, less than in REXX? Using REXX OUTTRAP How do you capture the output of a TSO command in a REXX program?
Reserved REXX Variables What REXX variables are already defined? How is EBCDIC like ASCII? What’s a -811 or -911? When it ends abruptly, what happened? REXX is a powerful scripting language used in many of IBM’s platforms. It is easy to learn and user-friendly. This page was last updated March 30 2014.
Includes comparison of CLIST and REXX. Good background for REXX enthusiasts. Good idea to read this before writing a REXX program. Excellent reference and tutorial for REXX. Plus many examples written in an excellent style. Apparently nothing about REXX under TSO.
How to Write TSO ISPF Edit Macros in REXX. How to Write REXX Procedures for QMF. A REXX for the Windows environment. Hard to tell what operating system it is about. It is a few years old. Books on REXX at Amazon.
API: function libraries in C. REXX Tutorial: A Crash Course in REXX. REXX Language and REXX Edit Macros. TSO Line Mode Commands Cheat Sheet. Mainframe REXX Tutorials and Manuals.
VSAM support in TSO, ISPF and REXX. How TSO and Time-sharing works? To many people who are thrown to work at a mainframe computer on their first job, they feel lost. What’s more, the books and manuals are incredibly hard to comprehend.