Try the two characters that are pretty much unique to REXX, "!" and "?" especially for small local loops.
Robert -- Robert AH Prins robert(a)prino(d)org The hitchhiking grandfather <https://prino.neocities.org/index.html> Some REXX code for use on z/OS <https://prino.neocities.org/zOS/zOS-Tools.html> On Sat, 20 Apr 2024 at 15:08, Bob Bridges < 00000587168ababf-dmarc-requ...@listserv.ua.edu> wrote: > It was while I was coding in REXX that I tried abutting a variable named > 'x' with another string, and couldn't figure out why the program behaved as > it did. Eventually figured out I had inadvertently created a hex > constant. Maybe as an overreaction, I have never since used one-character > variable names, always two or more. (What do I use for loop counters?, you > ask. I use 'j' plus another letter; 'jr' for records, for example, 'jd' > for days whatever. More obvious would have been 'i', but there are too > many two-letter reserved words even in REXX that start with 'i'.) > > -----Original Message----- > From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf > Of Andrew Rowley > Sent: Friday, April 19, 2024 22:41 > > It doesn't cause a problem except when it does. One danger is a typo in > a variable name. When I wrote some complex Rexx I did use SIGNAL ON > NOVALUE, but I wasn't totally appeased! > > --- On 20/04/2024 12:41 am, Rony G. Flatscher wrote: > > Rexx defines the value of variables that have no explicit value > > assigned to them to be the name of the variable in uppercase, so it > > does not cause a problem. (It does cause problems for programmers who > > got trained to always make sure that a value is assigned to variables. > > This is the reason why ooRexx has an option to activate checking for > > the use of uninitialized variables in Rexx programs to appease those > > who are not accustomed to it or feel that it should not be allowed. ;) ) > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
