>>>Suppose the programmer wishes to compare to binary zeroes,
Gil,
Comparing to binary zeros will let you include short records who have
length less than 21 bytes. But that is an easy fix.
Since we are dealing with VB records, the actual length is in RDW so you
can add the RDW validation in the INCLUDE condition. Something like this
//SYSIN DD *
OPTION COPY,VLSCMP
INCLUDE COND=(01,2,BI,GE,21,AND,
21,1,CH,EQ,X'00')
/*
>>Are complicated Boolean expressions supported?
Yes. Check this link
https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.3.0/com.ibm.zos.v2r3.icea100/ice2ca_Relational_condition.htm
Thanks,
Kolusu
DFSORT Development
IBM Corporation
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