IBM COBOL400 Question: Download IBM COBOL400 PDF
What is PERFORM? and its types?
Answer:
to execute set of statement elsewhere in the prgram.
types :
perform para-name.
perform para1 until condition.
perform para1 n times.
perform para1 thru para4 until condition.
inline perform.
perform varying i from 1 by 1 until condition.
perform para1 with test before/after until condition.
types :
perform para-name.
perform para1 until condition.
perform para1 n times.
perform para1 thru para4 until condition.
inline perform.
perform varying i from 1 by 1 until condition.
perform para1 with test before/after until condition.
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