Re: Restructured Extended Executor Language

[boldt@xxxxxxxxxx]

Christina wrote:
>What is REXX?  Under what circumstances would you use REXX over CLP?

Rexx is a typeless interpreted language that has very good
string manipulation capabilities.  It is widely used in the
VM/CMS mainframe world often serving the same role that CL
serves on the AS/400.  In fact, several of the tools we use
in developing the ILE RPG compiler are written in Rexx.

Personally, I wouldn't really consider Rexx as an alternative
to CL.  Rexx is perhaps best used as a language for writing
"quick and dirty" tools.  Rexx is like Perl in that powerful
tools can be written easily and quickly.  And like Perl, Rexx
has been ported to many different systems.  If you're into
object-oriented programming, there's a version of the
language called "Object Rexx" that offers a very nice OO
syntax.

Cheers!  Hans

Hans Boldt, ILE RPG Development, IBM Toronto Lab, boldt@ca.ibm.com


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