--------------------- This reports None, which is a bug. There must exist a file in the last directory (2013): None --------------------- 2013/20130105_v1.00.dat --------------------- rbspa_pre_ect-rept-sci-L2_20130609_v2.0.0.cdf --------------------- rbspa_pre_ect-rept-sci-L2_20130604_v1.0.0.cdf