Re: File 2 file scenario(Problem is space charecters in target side)

You dont seem need any ESR objects since you dont need to handle mapping. Just use configuration objects and simple pass through scenario would do.  You might want to see Li's blog for further understanding

http://scn.sap.com/people/william.li/blog/2006/09/08/how-to-send-any-data-even-binary-through-xi-without-using-the-integration-repository