title: Checking data between two dates using cobol
body: <p>I am new to cobol programming. I want to check and process data between two dates for certain transactions  i.e. From-date and to-date using cobol. I have data in flat file. from-date and to-date are part of the data.So For certain account number, there are transactions for each year. I want to read these transaction starting from from-date until to-date and update some of their fields. Could you please help me with the issue.</p>