test.csv

"id","userName","email","IP","cell"
"1","Joe","joe@example.com","192.168.1.1","650-123-4567"
"2","John","john@example.com","192.168.1.2","212-123-4567"
"3","Susan","susan@example.com","192.168.1.3","914-123-4567"
"4","John","another_john@example.com",192.168.1.4","408-123-4567"
"5","John","yet_another_john@example.com","192.169.1.5","734-123-4567"