09-03-2019
shogun1970
Apart from showing us your attempts at this problem, could you also indicate if the order of records in the output file is important?
The problem description seems to indicate that a direct match record, when available, should be listed first and then other matches should be displayed in the same order as they appear in file1.txt.
However if the order of records in the output file is unimportant, the solution can be simplified a fair bit.
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