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View the csv file before loading using a hyperlink in visualforce

Hello,

I need some help with the below requirement.

Requirement :
I have a button to insert data into salesforce. I want to view if the data being loaded is correct before inserting them.
For that I want to create a hyperlink where when I click on it, it will show the file I am trying to load in next tab or in another window.

I have checked a lot of links but nothing is similar to what i want to achieve. 

Ay help on this is appreciated.

Thanks.