FILE TO FILE SCENARIOS

Hi all,

I am a fresher, as per our requirement , i want to perform file to file scenarios, I have created file to file scenarios without ESR and it was successful. I created sender component, Receiver component and ICO. I gave file extension as .MT9 and sucessfully it was in delivered status.

Could u please guide me on File to file scenarios with ESR.

1) XML to XML

2)TEXT FILE to XML

also please do guide me in various file extension, which we use for SAP PI file to file purpose.

Thanks in advance,

Priya