Hi I want to delete the lines which contains the same numbers, how to achieve that in awk or sed or perl? For example, line 4 and 5 both contains 12.7, so I want both lines to be removed. Thanks.
sample input
start=0.1
end=2.5
start=8.7
end=12.7
start=12.7
end=16.7
start=16.7
end=25.2
start=25.2
end=48.7
start=48.7
end=60.1
start=66.2
end=69.2
start=69.2
end=72.2
start=72.2
end=75.2
start=75.2
end=78.2
expected output:
start=0.1
end=2.5
start=8.7
end=60.1
start=66.2
end=78.2