REXX

Rexx is a high-level programming language developed at IBM by Mike Cowlishaw. Both proprietary and open source Rexx interpreters exist for a wide range of computing platforms, and compilers exist for IBM mainframe computers. Rexx is used for scripting, application macros and application development. As a general purpose scripting language, Rexx is considered a precursor to Tcl and Python. Wikipedia

Created Year: 1979
Designed by: Mike Cowlishaw
Developed by: IBMMike Cowlishaw
Aliases: Restructured Extended Executor
File extensions: EXEC, bat, cmd, exec, rex, rexx

Wikidata: Q685820

Influenced: NetRexxObject REXX

Influenced by: ALGOLEXEC 2PL/I

Programming paradigms: procedural programmingstructured programming

Language types: command line interface languageinterpreted language

REXX Influence Network

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Hello World in REXX

<<hello.rexx>>=
Say "Hello World"

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Latest data update: 2026-05-20