For OS/2 the first line must be either a comment or an EXTPROC, roughly equivalent to a *IX shebang.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Tony Thigpen [t...@vse2pdf.com] Sent: Wednesday, September 29, 2021 10:39 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: PL/I vs. JCL I used REXX in OS/2, but can't remember if it had any special requirements for the first line. I can't find any manuals online (yet). Tony Thigpen Seymour J Metz wrote on 9/29/21 10:22 AM: > TSO SYSPROC is the only case I know of where /* REXX */ is required. > > > -- > Shmuel (Seymour J.) Metz > http://mason.gmu.edu/~smetz3 > > ________________________________________ > From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of > Phil Smith III [li...@akphs.com] > Sent: Wednesday, September 29, 2021 10:06 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: PL/I vs. JCL > > Bob Bridges wrote: > >> Purely by the way, but I've never really understood why so many REXX > modules I see start like this: > >> /* REXX */ > > <snip> > > > > I think (a) it's documented that way in some places; (b) Some environments > may even require that; (c) that's how some/many examples have it; and (d) > it's bizarre, because these all work in TSO: > > /* Rexx */ > /* This rexx program. */ > > /* This is (rexx) */ > > /* This is not(rexx)s */ > > /* Thisisrexxyep */ > > but > > /* This is a program */ > > does not. So something is parsing the entire first line, looking for the > leading "/*" and four letters "rexx" in a row, case-insensitive. Bizarre. > > > > Having grown up in VM, I'd never even thought about it, other than knowing > that I needed the word "rexx" in the first line in TSO. (On VM, just the > leading "/*" is sufficient.) > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
