A few times I had to check the system datasets (or sysres volumes) for a
specific string occurence. I found it very expensive (CPU and elapsed time)
to search a PDS dataset using rexx (allocating every single member as a
sequential dataset). To reduce the number of allocations I called program
ISRSUPC from rexx with
ADDRESS ISPEXEC "SELECT PGM(ISRSUPC)" ,
"PARM(SRCHCMP,ANYC,NOSUMS,LMTO)"
Zaromil
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