John McKown wrote:
>> Groete / Greetings
>In my usual "left handed" way, I will recommend using "awk" in a UNIX step to
>do this. It is easiest to do if you have Co:Z installed, but it can be done
>using the IBM supplied UNIX commands. Yes, IBM awk can read a z/OS sequential
>dataset. I have verified this on z/OS 1.12 and 2.3. Something like:
>//PS001 EXEC PGM=BPXBATCH,REGION=0M
>//*PARM='SH printenv '
>//STDOUT DD SYSOUT=*
>//STDERR DD SYSOUT=*
>//STDIN DD DUMMY
>//STDPARM DD *
>SH awk 'NR <= 2000 {n=sub(/ONE/,"TWO");print;}
> NR > 2000 {n=sub(/./,"+");print $0;}'
> "//'fully-qualified-input-dataset'" |
> cp /dev/fd/0 "//'existing-output-dataset'"
>//STDENV DD *
>/*
>The above will change the _first_ occurance of "ONE" to "TWO" if the relative
>record number is less than or equal to 2000 (NR <= 2000). It will leave any
>other occurrences on the line alone. It will simply copy the current record to
>the output for all other records (NR > 2000).
Excellent. Another improvement - Selective change actions based on other
criterias.
I am aware of awk, but not this NR part.
Thanks for your excellent contribution. Much appreciated!
Groete / Greetings
Elardus Engelbrecht
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