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Sanjeev R 1Sanjeev R 1 

Extracting data from CSV and Uploading CSV somewhere

Requesting to please guide for following tasks

I need to extract data from CSV file and physically hold that CSV file somewhere(I m unable to figure out)... file can have large amount of data so please help me out where can I upload this file(a procedure) and data extraction on file upload.

thanks,
Sanjeev

RamuRamu (Salesforce Developers) 
There is no direct method to do this, you would have to first write the logic to read csv files. The below article might help you on this

http://www.sfdcpoint.com/salesforce/import-csv-file-using-apex-visualforce/

The below article explins you on how to export the data as csv

https://developer.salesforce.com/forums?id=906F00000008xtsIAA

You would need to merge both these logic to accomplish what you needed.