I want to break a large file into multiple file based on first two columns:
For example my file is as follows:
87.73,49.62,-45.000000,0,-261581.000000,0.000000,1,1
87.73,49.62,-45.000000,0,-261581.000000,0.000000,2,2
87.73,49.62,-45.000000,0,-261581.000000,0.000000,3,3...