how to recieved IDOC on conditional basis.

Can some body tell me how can I do this scenario please

Q1) I have 2 csv file in the file field 6 shows the status of the file but if the status = 1 the idoc need to pickup the file otherwise leave the file.*

idoc name = stat.stats01

Q2) How to do Graphical mapping for this scenario.*

Please help me as quickly as possible.