2 input fles: 2 flat files, with different number of records. both are having unique key for each record and already sorted in ascending order . match these files using unique key and in output only matching key value has to be written. please procide cobol logic
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i need the code for this program in cobol. 2 + 1 = 3 4+3=7 6+5=11 8+7=15 10+9=19
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