What is COUNTERS in PL/1? How to assign the COUNTER variables? WHich Data Type

What is COUNTERS in PL/1? How to assign the COUNTER
variables? WHich Data Type it can be used for this?

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What is COUNTERS in PL/1? How to assign the COUNTER variables? WHich Data Type it can be used for ..

COUNT is a Builtin in PL/1.

SYNTAX:

I = COUNT (file-name);

EXAMPLE:

I = COUNT (PAYROLL);

It returns the number of data items transfered during the
last GET or PUT of the file PAYROLL.

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What is COUNTERS in PL/1? How to assign the COUNTER variables? WHich Data Type it can be used for ..

Answer / sravan

To count number of operations occured we use counters.
DCL I FIXED BIN(15); /* DECLARATION of counter */
DCL eof bit(1) initial ('1'b);
DCL 1 var_b,
2 inrec char(2);
read file(filename) into(var_b);
Do while(!eof);
put skip list('Hi');
i = i + 1;
read file(filename) into(var_b);
end;

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