"roooRexx" -- ruh roh, Scooby Dooooooo! (sorry, couldn't resist) -----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Paul Gilmartin Sent: Tuesday, July 2, 2024 1:55 PM To: [email protected] Subject: Re: Rexx is quite cool, flexible, powerful, feature-rich, thank you! (Re: z/OS 3.1 Enhancements & Support News
On Tue, 2 Jul 2024 17:14:45 +0000, Seymour J Metz wrote: >> Conscientious documentation of Rexx avoid the word "default" in this >> context for two reasons: >> `1. The expression is assigned to the stem with every >> possible tail, not to only those not previously given >> a value. > >Not so; ooRexx is not SAA rex. The ooRexx documentation uses the word default >because it *is* appropriate in the context of ooRexx. > In what sense is it appropriate to SSA Rexx but nor roooRexx? >> 2. If an individual member of the compound is DRO ped, >> its value returns to the standard UPPER(stem.tail), not >> the value assigned earlier to the stem. > >That's because DROP does not set a compound variable to the default value of >the stem. > >The test below is from OREXX rather than ooRexx, but the results should be the >same. > > Go on - try a few... Enter 'exit' to end. >foo.=bar > In SAA Rexx that assigns BAR to compound variables with stem FOO. and every possible tail; no default is affected. How is it different in ooRexx? > ................................................ REXXTRY.CMD on OS/2 >drop foo.baz > ................................................ REXXTRY.CMD on OS/2 >say foo.baz FOO.BAZ > That is the default value in SAA Rexx. > ................................................ REXXTRY.CMD on OS/2 >say foo.foo BAR > That is not a default value. It was explicitly assigned by "foo.=bar". Is it different in ooRexx? -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
