Control Level Indicators (L1-L9)

Hi every one,



My requirement is to generate a report using control level indicators
(L1-L9)

I have a physical file with following fields 1) STATE 2) CITY 3)
POPULATION

Now where ever city changes I need to print a new record on spool file

Below is the code I have written to do this, I'm getting the output but
I don't know

Whether this output is correct or not, I'm really confused with the
indicators



Can any one please guide me what is the exact use of control level
indicators.



Thanks in advance



Code for your reference





FPF1 IP E K DISK

FQPRINT O F 132 PRINTER

F*

IPFREC1 01

I STATE L1

I CITY L3

I POPULATION L2

I*

OQPRINT D 01

O STATE

O CITY

O POPULATION

O T LR



Physical file data



STATE CITY
POPULATION

000001 ANDHRA PRADESH New Delhi 3,00,000


000002 ANDHRA PRADESH SECUNDERABAD 300,000

000003 ANDHRA PRADESH SECUNDERABAD 300,000

000004 ANDHRA PRADESH SECUNDERABAD 400,000

000005 ANDHRA PRADESH VIJAYAWADA 300,000

000006 ANDHRA PRADESH VIJAYAWADA 300,000

000007 ANDHRA PRADESH VIJAYAWADA 300,000

000008 ANDHRA PRADESH VIJAYAWADA 300,000

000009 ANDHRA PRADESH KURNOOL 300,000

000010 ANDHRA PRADESH KURNOOL 300,000

000011 ANDHRA PRADESH KURNOOL 300,000

000012 ANDHRA PRADESH KURNOOL 300,000

000013 ANDHRA PRADESH KURNOOL 300,000

000014 ANDHARA PRADESH New Delhi 100,000

000015 ANDHARA PRADESH New Delhi 200,000



Best Regards,

Srinivas


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