The Search Order for External Rexx Files

---

The 34^th International Rexx Language Symposium was held in Amsterdam and Online, from Sunday, May the 14^th to Wednesday, May the 17^th 2023.

Article and slides

On Tuesday 16, at 15:15, I presented an article titled The Search Order for External Rexx Files.

• The article (DIN A4, 50 pp).
• The accompanying slides, 160×90 mm (149 pp.).
• A shorter version of the slides, better suited for paper publishing, 160×90 mm (50 pp.)..

The article and the short version of the slides were published in the 2023 International Rexx Language Symposium Proceedings, RexxLA Press, ISBN 978-9403650104.

Test programs

• sotest.zip — A ZIP archive containing the whole directory structure and all the test programs. The supplied version of SearchPath.exe has only been tested under Windows 11 Pro amd64; you may need to recompile (SearchPath.c is also included).
• sotestC.zip — A ZIP archive containing the #include files and the main C program to test the C compilers. Unzip and run sotestcl.rex (for Visual Studio CL) and sotestgcc (for gcc).
• sotest.rex — The test initiator program.
• main.rex — The main test program.
• compare.rex — Compares two test results for equality.
• noextension.rex — Checks a test results file to see if the results of "Call routine" and "Call routine.rex" are the same.
• SearchPath.c — Sample program to test the SearchPath Windows API.
• SearchPath.exe — Sample program to test the SearchPath Windows API (Windows 11 amd64).

External search classes

• ExternalSearch.cls — A Rexx file containing the ExternalSearch classes and the pluggable external search system.

Test results

Names are self-descriptive.

• os2.objrexx.results.rex
• os2.regina.results.rex
• os2.rexxsaa.results.rex (with the SAA bug)
• os2.rexxsaa.fixed.results.rex (the effect of the SAA bug has been manually amended)
• ubuntu.oorexx.results.rex
• ubuntu.regina.results.rex
• windows.cmd.results.rex
• windows.oorexx-5.0.0.results.rex: 5.0.0 exhibits the hasExtension bug
• windows.oorexx-5.1.0-beta-r12651.results.rex: this version fixes the hasExtension bug
• windows.regina.results.rex
• windows.searchpath.results.rex

Most of the material listed here can also be found at the Search Order section of the RexxLA Rexx repository.