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How to identify in JCL that an input file is empty without
reading it?
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Answer / mainframeking
Usinf IDCAMS we can check:
//step01 dd exec pgm=idcams
//sysprint dd sysout=*
//input dd dsn=file name to check, disp=shr
//sysin dd *
print infile(input)character count(1)
if return code is 0, file is not empty
if return code is 4, file is empty
| Is This Answer Correct ? | 17 Yes | 3 No |
Answer / sivakumar sekharannair
You can use IEBCOMPR
Used to compare two sequential data sets, two partitioned data sets or two PDSEs at the logical record level to verify a backup copy. Fixed, Variable, or undefined records from blocked or unblocked data sets or members can also be compared. However, you should not use IEBCOMPR to compare load modules.
| Is This Answer Correct ? | 1 Yes | 0 No |
//job331ab job notify=&sysuid
//step1 exec pgm=idcams
//sysprint dd sysout=*
//input dd dsn=job331ab.prasad.infile,disp=shr
//sysin dd*
print infile(input)count(1)
/*
if return code rc=00 then it is not empty file,
return code rc=04 then it is empty
| Is This Answer Correct ? | 1 Yes | 0 No |
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