http://www.unix.com – Hi all, I have a file containing the values that would be use as the basis for printing the lines of another set of files using awk. What I want to do is something like the one below: Code: stdev.txt 0.21 0.42 0.32 0.25 0.15 file1.txt file2.txt file3.txt ..filen.txt 0.45 0.23 0.35 0.23 0.50 0.25 0.60 0.36 0.36 0.30 0.75 0.20 0.15 0.23 0.51 This is what i should do (HowTos)