I have two files. Match the `1st` column of first file to `1st` column of second file and print entire line of the second file. Second file is a `<tab>` separated file. I have tried many `awk` one liners, but all remove duplicate values. Like `A` and `C` here. I want to preserve these. `File 1`: A B C D A C `File 2`: A abc B cde C abe D acc Output: A abc B cde C abe D acc A abc C abe