Not to mention VSAM! I implemented full MVS file system support in Lua
in a couple of days wrapping C stdio http://lua4z.com/doc/modules/io.html.
I work for Rocket Software and we have been discussing implementing an
I/O module for the native z/OS file system but there are not many paying
customer for
the Python port so it may not happen.
On 2020-03-20 5:48 PM, Seymour J Metz wrote:
Or why ANSI I/O should be limited to Unix.
One of the worst things about CLIST is the extraordinary proliferation of
apostrophes it can force, especially since the enhanced CLIST (anybody remember
that) in OS/VS2 R3.6.
--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
________________________________________
From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of
David Crayford [dcrayf...@gmail.com]
Sent: Friday, March 20, 2020 5:39 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Does anybody remember CLIST?
Thanks everybody for the valuable help. I've finished this work now and
I've learned a few things along the way.
* CLIST has some OK features but it's a terrible programming language
that should be consigned to the dustbin (arrays using substitution
variables, really?)
* A lot of high value REXX functions are dependent on TSO. I see no
reason why SYSDSN(), LISTDSI(), STORAGE() etc can't be run in non-TSO
environments.
On 2020-03-19 11:25 PM, Seymour J Metz wrote:
In REXX substitution is automatic and literal strings require quoting to avoid being
treated as uninitialized variables; the equivalent of foo &bar baz is 'foo' bar 'baz'.
There in no equivalent to &SYSNSUB, nor is there a need for it, since REXX doesn't use
a substituition sigil like &.
--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
________________________________________
From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of
David Crayford [dcrayf...@gmail.com]
Sent: Thursday, March 19, 2020 10:45 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Does anybody remember CLIST?
Thanks, I did see that link! I will work it out but looking for a fast
start.
I've got stuff like this!
SRCLINE = &SYSNSUB(2,&SRCLINE)
On 2020-03-19 10:40 PM, John McKown wrote:
On Thu, Mar 19, 2020 at 9:20 AM David Crayford <dcrayf...@gmail.com> wrote:
I'm trying to convert CLIIST to REXX and CLIST has symbolic
substitution. I've used this before in NCL but it's a long time ago.
Can anybody tell me what this does and translate to REXX? I'm guessing I
need to use interpret or value()!
SET VARNX = &&VARN&GLCV
IF (&VARNX = &SYMBOL) THEN DO
SET VARFND = 1
SET VARVX = &&VARV&GLCV
SET SYMBOL = &STR(&VARVX)
END
This might help:
https://www.ibm.com/support/knowledgecenter/SSLTBW_2.2.0/com.ibm.zos.v2r2.ikjb800/ikjb80059.htm
I _think_ the following is correct, but I am not sure.
VARNX=VARN||GLCV /* CREATE NAME OF VARIABLE */
IF (VATNX=SYMBOL) THEN DO; /* IF NAME OF VARIABLE IS THE SYMBOL WE ARE
LOOKING FOR */
VARFND=1 /* WE'VE FOUND THE SYMBOL */
VARVX=VARV||GLCV /* CREATE THE NAME OF THE VARIABLE WHOSE VALUE WE
WANT */
SYMBOL=VALUE(VARVX) /* GET VALUE OF VARIABLE WHOSE NAME IS IN VARVX */
END
The comments are strictly my own.
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