1*c0b746e5SOllivier Robert# 2*c0b746e5SOllivier Robert# delete duplicate lines 3*c0b746e5SOllivier Robert# 4*c0b746e5SOllivier Robert{ 5*c0b746e5SOllivier Robert if (old != $0) 6*c0b746e5SOllivier Robert printf "%s\n", $0 7*c0b746e5SOllivier Robert old = $0 8*c0b746e5SOllivier Robert} 9