matching copying

  1. N

    matching and copying first word from each line of text file

    Hi, I have two text files. Textfile1 has data line by line (50000 lines) and in each line, there are 500 numeric values. Textfile2 has only one column (only numeric data) which matches the first column of Textfile1. Textfile2 may have 5000 lines (Each line has one numeric value). Now my task is...
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