The data that we get into to mask comes to us in many formats. We do not have say over how it is presented to us, nor do we have a say on how we are going to give it back as a masked file. The format that it comes in is the expected format upon its masked return. In this case, we have a "|" ("pipe") delimited file. When we put this format into the Fast Data Maker (FDM), the output format is a comma. This is not acceptable to our Client.