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&SYSPUNCH_DSN System Variable Symbol HLASM Language Reference SC26-4940-06 |
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Use &SYSPUNCH_DSN in a macro definition to obtain the name of the data set to which the assembler is writing the object records when assembler option DECK is specified. The local-scope system variable symbol &SYSPUNCH_DSN is assigned a read-only value each time a macro definition is called. When the assembler runs on the z/OS operating systems, the value of the character string assigned to &SYSPUNCH_DSN is always the value stored in the JFCB for SYSPUNCH. If SYSPUNCH is allocated to DUMMY, or a NULLFILE, the value in &SYSPUNCH_DSN is NULLFILE. When the assembler runs on the CMS component of the VM operating systems, the value of the character string assigned to &SYSPUNCH_DSN is determined as follows:
On z/VSE, the value of the character string assigned to &SYSPUNCH_DSN is determined as follows:
Examples: On z/OS, &SYSPUNCH_DSN might be assigned a value such as:
On CMS, &SYSPUNCH_DSN might be assigned a value such as:
Notes:
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