Given the following two lines:
foo1 foo2 foo3 foo4
foo3 foo4 foo1 foo2
Line 2 is a duplicate as its pair of columns 1 and 2 are equal to columns 3 and 4 in line 1.
What's the shortest way to remove the second line using awk?
Given the following two lines:
foo1 foo2 foo3 foo4
foo3 foo4 foo1 foo2
Line 2 is a duplicate as its pair of columns 1 and 2 are equal to columns 3 and 4 in line 1.
What's the shortest way to remove the second line using awk?