6 Top COBOL PERFORM Statements

Here are six statements perform-times, perform -until, Perform-After, Perform-Varying, Inline Perform, and Perform-thru.

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6 COBOL Perform Statements

The perform statement continues till the end of end-perform you can say as in-line perform. When the perform calls another para, you can say as outline perform.

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1). COBOL Inline Perform

Perform 
procedure-name-1
end-perform.

2). COBOL perform thru

Perform 
procedure-name-1 
thru 
procedure-name-2.

3). COBOL perform n times

Perform procedure-name N times.

4). COBOL perform until condition

Perform procedure-name-1 thru 
procedure-name-2 until 
<condition>

5). COBOL perform thru varying

Perform procedure-name-1 thru
 procedure-name-2 varying 
identifier-1/index-name-1
From identifier2/index-name-2/literal-1
By identifier-3/literal-2
Until <condition>.

6). COBOL perform from by option using varying

Perform procedure-name-1 thru procedure-name-2 
varying identifier-1/index-name-1
From identifier2/index-name-2/literal-1 
By identifier-3/literal-2
Until <condition-1> 
AFTER identifier-4/Index-name-3 
From Identifier-5/Index-name-4/Literal-3 
By Identifier-6/Literal-4 UNTIL <condition-2>.

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