On 2017-05-09, at 01:42, venkat kulkarni wrote:
> Yes. It's not.so I should code jesmsglg dd stmt as
> //JESMSGLG dd sysout=a,free=close,spin=unalloc
>
> in my ims proc and then recycle ims and then issue
> $t job,imsproc,spin,ddname=JESMSGLG
> Command to spin JESMSGLG.
>
The JCL Ref. lists several DDNAMES not available for general use:
Special ddnames
The special data sets are identified by the following ddnames:
JOBLIB
STEPLIB
SYSABEND
SYSCHK
SYSCKEOV
SYSIN
SYSMDUMP
SYSUDUMP
SDSF also shows me several (pseudo?) DDNAMEs such as
JESJCL, JESYSMSG, and JESMSGLG. What happens if the
programmer attempts to override one of these, e.g. by
directing it to a catalogued data set or a UNIX file?
The JCL Ref. indicates that they are available to the
//*FORMAT PR statement.
("//*FORMAT PR" looks uncomfortably like a comment. Is
this a reserved comment? Ugh!)
-- gil
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