COBOL Manual for TNS/E Programs (H06.08+, J06.03+)

Figure 19 Execution of a PERFORM VARYING Statement With a TEST BEFORE Phrase and One
AFTER Phrase
After termination of the PERFORM statement, vary-1 has the value assigned, either by
initialization or augmentation, at the point where the evaluation of condition-1 gave a
result of TRUE. vary-2 has the value assigned by its last initialization from the base-2.
400 Procedure Division Verbs