I've been having trouble indexing CSV files. In particular, CSV files from Tripwire. I'll show you the format and how I was able to index the files in Splunk
Node Name,Node Type,Policy,Parent Test Group,Test Name,Description,Element,Result Time,Result State,Actual Value
"192.168.1.1",Linux Server,"My Policy Name","My Test Group","My Test Name","My Test Description","Some Element",10/25/15 2:02 AM,passed,"ELEMENT=foo"