I want to add two file into one file without having duplicate values.
E.g.- File 1 - Header - 1 2 3 - Row wise data -1st Row A B C 2nd row - D E F 3rd Row - G H I
File -2 Header - 1 2 3 - Row wise data - 1st Row J K L 2nd row - A B C 3rd Row - M N O
Output file require - Header -1 2 3 Row wise data - 1st Row A B C ,2nd row - D E F , 3rd Row - G H I , 4th Row J K L 5th Row - M N O.