On Wed, 5 Jul 2023 20:49:48 +0000, Sri h Kolusu wrote:
>>> Is that true? My understanding has been that a single ampersand identifies
>>> a temporary data set name, and the additional ampersand is used to prevent
>>> symbol substitution.
>
>Page 168 in the JCL reference
>htt:s://www-40.ibm.com/servers/resourcelink/svc00100.nsf/pages/zOSV2R5sa231385?OpenDocument
>
>In general, the system treats a single ampersand (&) followed by a character
>string of 1 to 8 characters as a symbolic parameter. (See “Using system
>symbols and JCL symbols” on page 35.) However, if you code a data set name as
>a symbolic parameter (by coding DSNAME=&xxxxxxxx), and do not assign a
>value to or nullify the symbolic parameter, the system will process it as a
>temporary data set name.
>
Are they making a special case out of something that isn't a special case?
In particular, how can I code setting JCL symbol that might evaluate either to:
o A catalogued DSN: // SEt D='HLQ.DSN'
o A temp DSN: // SET D='&TEMP'
...
//SYSUT2 DD DSN=&D
--
gil
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