Mo, I've never heard of ATTACH, ATTACHX, CALL, LINK, LINKX, SYNCH, SYNCHX, XCTL or XCTLX ;=)
Seriously, for all of those it is the caller that provides the parameter, not the OS. Not that programmers are any more prudent for those, alas. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר ________________________________________ From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of Paul Gilmartin <0000042bfe9c879d-dmarc-requ...@listserv.ua.edu> Sent: Monday, May 19, 2025 9:27 AM To: IBM-MAIN@LISTSERV.UA.EDU <IBM-MAIN@LISTSERV.UA.EDU> Subject: Re: Run python with arguments JCL External Message: Use Caution On Mon, 19 May 2025 10:16:02 +0000, Seymour J Metz wrote: >There is nothing in JCL for calling a program with multiple parameters. Even >in TSO the CPPL points to a single parameter string, from which the program >normally relies on parse services to extract positional and keyword >parameters. only in Unix does the program receive multiple parameters. > JCL and CPPL, yes, but aren't you familiar with the CALL, LINK, ATTCH, and XCTL macros? Do you consider it likewise "Too bad they didn't do something similar for": o The first parameter? o Every parameter? >It's prudent to validate parameters, but hardly customary. Sturgeon's Law >applies. The code that I've seen ranges from ghastly to excellent, with most >somewhere in between, and I can't think of any rule of best practice that >doesn't get violated. > >________________________________________ >On Mon, 19 May 2025 02:36:47 +0000, Seymour J Metz wrote: > >>Yes, which is why IM provided for controlling long parameters for authorized >>programs. Too bad they didn't do something similar for AC(0). -- gil ---------------------------------------------------------------------- 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
