Re: [open-cobol-list] What do you think of JCL ?

[Patrick]

Thanks for the feedback everyone

If JCL is designed to solve problems we don't have on the desktop, then 
let me reverse that question.

Would a Guile, Tcl, lua Open Cobol binding solve problems on the 
mainframes normally tackled by JCL and provide an alternative to JCL?







On 09/19/2013 12:06 PM, Brian Tiffin wrote:
> Patrick; Michael;
>
> Take a look at Fossil SCM by Richard Hipp.  A subset of Tcl (TH1) is
> built into the bug tracking feature and for top and bottom banner
> control of the CGI interface.  Pretty cool.
>
> Oh, I'l ditto Vince as well.  Go with shell and cron and skip JCL on
> the GNU/Linux side.  Or for playing with JCL, (a thing to know, even
> if it's just "yeah I've seen JCL"), take a look at
> http://my.opera.com/btiffin/blog/2012/02/27/hercules-os-360-mvt-and-cobol-circa-1972
> for instructions on a Hercules MVT setup that you can play with.
>
> Cheers,
> Brian
>
> On 9/19/13, Patrick <address@hidden> wrote:
> > Hi Mike
> >
> > "I like your enthusiasm, never loose that!"
> >
> > I won't ! , I promise.
> >
> > I love Tcl. Basically my favourites are Cobol, Tcl and Ada.
> >
> > Have you looked at jim tcl ?
> >
> > It's really small.
> >
> > This is probably just some more "crack smokin" but I have been day
> > dreaming about rewriting jim in pure COBOL. Tcl in native cobol would be
> > neat.
> >
> > I have printed all of the source of jim in color and I am also studying
> > tcl parsers written in tcl to lower the bar to entry.
> >
> > Thanks
> >
> >
> >
> >
> >
> > On 09/19/2013 10:53 AM, Michael Anderson wrote:
> > > Patrick,
> > >
> > > Although I agree with Vince, I like your enthusiasm, never loose that!
> > >
> > > As of lately (the last 5 years), I've been doing migration work,
> > > migrating HP3000 applications to Windows, Linux and HPUX (Unix). Like
> > > IBM, HP, specifically the HP3000 has it's own version of JCL.
> > >
> > > Many of the programmers I work with jump right into converting the JCL
> > > to some local scripting language. On windows it would be BAT files or
> > > Power-hell, on Linux its bash scripts, on HPUX its ksh scripts, and so
> > > on......
> > >
> > > Much of the JCL originated from batch the processing days, then the
> > > OLTP machines made it more interactive, and on HP MPE/iX platforms it
> > > grew into a very advanced scripting language. So, for me (to emulate
> > > the JCL environment) the replacement for Batch/JCL is Tcl. For a
> > > minute I thought about using NodeJS instead of Tcl. In the end I
> > > choose Tcl, mostly because I can call "TclEval" directly from Cobol, or
> > > C.
> > >
> > > Converting all JCL to Tcl makes more sense, because the exact same Tcl
> > > syntax can be used on any of the most popular platforms, including
> > > Windows, Mac, and all flavours of Unix.
> > >
> > > Now with GNU being my platform of choice, and becoming more aligned
> > > with the Richard Stallman philosophy, I ponder, should I trade Tcl,
> > > for Guile?
> > >
> > > --
> > > Mike.
> > >
> > >
> > >
> > > On 09/19/2013 08:13 AM, Chris Geldenhuis wrote:
> > > > On 09/19/2013 02:17 PM, Vincent Coen wrote:
> > > > > On Wednesday 18 Sep 2013 22:03:06 Patrick wrote:
> > > > >
> > > > > > After reading one today, it sounds like people invented the scripting
> > > > > > language I was considering long ago, job control language.
> > > > > > This sounds like it should be the easiest language to implement, is
> > > > > > it
> > > > > > really inconsistent and weird? How could something so simple have
> > > > > > gone
> > > > > > wrong.
> > > > > > Would JCL or something like it be good for open Cobol ?
> > > > > JCL is exactly that a Job control system for executing/starting jobs
> > > > > on a m/f (mainframe) it links any resources needed by a specific
> > > > > program or group of programs, e.g., files and their access type,
> > > > > printers etc.
> > > > >
> > > > > Yes, some of the commands in it are inconsistent but that is more
> > > > > the fact that various programmers have coded the new stuff without
> > > > > sticking to some standards in format etc.
> > > > >
> > > > > Under Linux such a process is NOT required as it is all dealt with
> > > > > inside the existing tools of Linux.
> > > > >
> > > > > There is no need for it and more importantly the old saying
> > > > >
> > > > > "If it is not broken don't fix it"
> > > > >
> > > > > comes seriously to mind.
> > > > >
> > > > > It is a wasted exercise.
> > > > >
> > > > > Vince
> > > > +1
> > > >
> > > > ChrisG
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