oql to csv file download

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In my application I am having OQL script and that is converted to .CSV format, and i want to download that csv file, only if some data is present in the csv.   For that i have a decision that checks whether OQL to CSV is empty or not, the decision takes that header in the csv file as a value, so the decision is not working as expected.    I want the header as to be calculated as empty.   Any idea would be helpful to solve this issue.    Thanks in advance.
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2 answers
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If you are using Export OQL to CSV activity, then there is an option of  exporting headers in that activity . you just need to make it false and the headers will not be exported.

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Why cant you write a Custom Java Action for this? Input is the file and output is a boolean.

In the java action you can read the CSV using Java POI libraries and see if the content exists in row 2 onwards.

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