PROGRAM-ID pgmname RECURSIVE.

https://www.ibm.com/support/knowledgecenter/en/SS6SG3_4.2.0/com.ibm.entcobol.doc_4.2/PGandLR/tasks/tpsubw03.htm

On Tue, Apr 7, 2020 at 9:47 PM Seymour J Metz <sme...@gmu.edu> wrote:
>
> Maybe,but there's nothing in his example to suggest that COBOL supports 
> recursion; you'd have to check the documentation.
>
>
> --
> 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: Tuesday, April 7, 2020 9:44 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Why rip out COBOL when you can modernize key applications? - 
> Weirdware
>
> Wow, and some people criticize Java for being verbose!
>
> So using nested programs one can implement recursion in COBOL which you
> couldn't do before without using a table stack.
>
> On 2020-04-08 5:14 AM, Frank Swarbrick wrote:
> > Nested subroutines.
> >
> > Small example:
> >
> >   ID DIVISION.
> >   PROGRAM-NAME. MAINPROG.
> >   [...]
> >   PROCEDURE DIVISION.
> >       CALL 'NESTED-PROGRAM-1'
> >       GOBACK.
> >
> >   ID DIVISION.
> >   PROGRAM-ID. NESTED-PROGRAM-1.
> >   DATA DIVISION.
> >   WORKING-STORAGE SECTION.
> >   01  LOCAL-VAR-1 PIC X.
> >   [...]
> >   PROCEDURE DIVISION.
> >       DISPLAY 'IN NESTED-PROGRAM-1'
> >       GOBACK.
> >
> >   END PROGRAM NESTED-PROGRAM-1.
> >
> >   END PROGRAM MAINPROG.
> >
> > ________________________________
> > From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of 
> > David Spiegel <dspiegel...@hotmail.com>
> > Sent: Tuesday, April 7, 2020 2:58 PM
> > To: IBM-MAIN@LISTSERV.UA.EDU <IBM-MAIN@LISTSERV.UA.EDU>
> > Subject: Re: Why rip out COBOL when you can modernize key applications? - 
> > Weirdware
> >
> > Hi Frank,
> > Thank you for that information.
> > (All the COBOL I support(ed) didn't contain these and neither did my
> > university courses in the '70s.)
> >
> > If I wanted to look them up, which keyword(s) would I use?
> >
> > Thanks and regards,
> > David
> >
> > On 2020-04-07 15:49, Frank Swarbrick wrote:
> >> Internal subroutines and local variables have been supported since COBOL 
> >> 1985 (VS COBOL II era).
> >> They're not ideal, but they do exist.
> >>
> >> ________________________________
> >> From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf 
> >> of David Spiegel <dspiegel...@hotmail.com>
> >> Sent: Tuesday, April 7, 2020 12:58 PM
> >> To: IBM-MAIN@LISTSERV.UA.EDU <IBM-MAIN@LISTSERV.UA.EDU>
> >> Subject: Re: Why rip out COBOL when you can modernize key applications? - 
> >> Weirdware
> >>
> >> How about no internal subroutines with local variables?
> >>
> >> On 2020-04-07 14:47, Bob Bridges wrote:
> >>> I used to bad-mouth COBOL, and I still prefer languages that are less 
> >>> wordy.  But I came somewhat reluctantly to see that it has its strengths. 
> >>>  The one I think most important is that it encourages even novice 
> >>> programmers to organize their logic in what we used to call a "top-down" 
> >>> manner:  This paragraph accomplish a certain task by executing paragraphs 
> >>> one through three, then two more, and this subparagraph executes 
> >>> subsubparagraphs, and so on.  Forms good habits, I think.
> >>>
> >>> ---
> >>> Bob Bridges, robhbrid...@gmail.com, cell 336 382-7313
> >>>
> >>> /* My life is in the hands of any fool who can make me lose my temper.  
> >>> -driving motto */
> >>>
> >>> -----Original Message-----
> >>> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On 
> >>> Behalf Of scott Ford
> >>> Sent: Tuesday, April 7, 2020 12:55
> >>>
> >>> I learned Assembler first and then Cobol and then some PL/1.  I always 
> >>> felt each language had its strengths and weaknesses and all were like 
> >>> tools in a toolbox.
> >>>
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-- 
Mike A Schwab, Springfield IL USA
Where do Forest Rangers go to get away from it all?

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