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How to read a .DAT file in Nifi

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Contributor

Dear Hortonworks,

How can we read a .DAT file in Nifi or transform it in CSV or JSON ? Should I create a custom processor in Java or is a possibility by reading it directly in Nifi ? Thank you !

Kind regards,
Stefan

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4 REPLIES 4

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Super Collaborator

I guess you need to first give some details on the format or origin of your .DAT file. There is more than just one format associated to this extension.

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Contributor

We receive the .DAT files directly from the client which for the normal process that we have in place, ETL using ODI, we are open it in excel. But I wanted to know if there is a way to convert it or read it because we need to store the data of it in a table.

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Super Collaborator

so it has the format of basically providing the sql statements? Like this example from Oracle?

begin
insert into ODI_STAGE.SRC_SALES_PERSON1 values
(11,'Andrew','Andersen','22/02/1999',sysdate);
insert into ODI_STAGE.SRC_SALES_PERSON1 values
(12,'John','Galagers','20/04/2000',sysdate); end;

If that's the case, you can process and transform the file with Nifi.

And here is a nice tutorial on how to achieve it using GetFile and SplitText processors:
https://community.hortonworks.com/articles/66861/nifi-etl-removing-columns-filtering-rows-changing.h...

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