David Gabe Gargiulo's REXX Quick
Reference Guide, published by MVS TRAINING, INC., is a must have for anyone who writes code
in REXX on any platform. The book is a well-organized reference guide that expIains every
REXX function. verb and
The book covers the REXX language in alphabetical order so it is easy to find what you are looking for. For example, to learn more about the PARSE statement, simply look in the "P" pages. This is a handy forma' for quick reference guides because most people use them for specific help on specific coding problems. Maybe a function or verb has parameters that a programmer has never used before and he or she needs to know more about them. Or. maybe a programmer noted a feature of some function during earlier research but didn't have a need for it at the time. Now, they have a need for the untried feature and want ~ know more about how it works. Here is where a book like this is invaluable.
Interspersed throughout the book are some useful informational
topics. These include compatibility issues for REXX for cross-platform code, concatenation
- both within the REXX language and for the SYSEXEC/SYSPROC DD names of TSO. a full
explanation of how to exploit functions, edit macros and finally, precedence of operators.
These extra topics ail serve as valuable aids to REXX programming that can't be pinned
down to a specific verb or function.
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