Executable library: Difference between revisions

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The following REXX subroutine (or function, as it returns a value) is normally stored in a folder that the REXX interpreter searches first for subroutine/function call/invokes.
<br>If not there, the REXX interpreter normally checks the current drive (or default disk), and then through some sort of heirarchy --- depending upon the particular REXX interpreter and operating system.
<br><br>On Microsoft Windows systems using Regina, PC/REXX, Personal REXX, R4, or ROO, the program name is normally the function name with a file extension of '''REX''' &nbsp; (but that isn't a strict requirement or rule, each REXX interpreter has multiple file extensions that are supported).
<br>On VM/CMS systems, the filetype (the file extension) is normally &nbsp; '''EXEC'''. &nbsp; If however, the REXX program was previously '''EXECLOAD'''ed, it may have a different name (identity) assigned to it.
<br>The following program (function) is named: &nbsp; '''HAILSTONE.REX''' &nbsp; (the case doesn't matter for Microsoft Windows systems).