In a recent note, Patrick O'Keefe said:
> Date: Fri, 20 May 2005 14:49:21 -0500
>
> I assume a JCL error is produced if you create a parm larger than 100
> bytes. (Either that or the data is just struncated.) Change the parm
> behavior and instead of a JCL error you get abends or incorrect execution
> of some programs. A change in program behavior with no change to the
> program (whose source may have been lost 13 years ago).
>
> IBM should be praised for approaching this cautiously, and is looking
> for a solution with the least negative effect.
>
I believe Don Ault's proposal:
Linkname: IBM-MAIN archives -- May 2005 (#1235)
URL:
http://bama.ua.edu/cgi-bin/wa?A2=ind0505&L=ibm-main&D=1&O=D&P=135818
- There will be a system wide option to turn on/off the ability of the
system to process long parms. If the option is off, then a JCL error
will occur with parms > 100.
... pretty well addresses this requirement. But I might make the
option a numeric value: 65535, 32767, 256, 100, or any value in
between, or even smaller, at the site's option. Any site can elect
to remain in the twentieth century, or to come to the twenty-first
progressively, one byte of PARM length at a time.
-- gil
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