shell - To Compare two space delimited files -

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I have two files below. I want to compare and know whether two lines are the same or not in both files < / P>

file1.txt: 

  4162 8171.0 2.00 F Noel Faucet 25.630 05-05-2015 256 45.2 5.00 N Faucet 16.098 2011-11-20

file2.txt: 

  4162 8171.0 2.00 F Noall Faucet 25.630 05-05-2015 561 41.0 10.00 En Nail Number 16.098 2011-11-20

I used the code below using the awk command. 

  rownum = 1 cat file1.txt | While reading-R line || [[N $ line]]; Do not enter "line $ rownum" if "[$ $ row_same"], then "line $ rownum does not match" if the line_same = `educ '/ $ LINE / {print;}" file2.txt; if [["" $ row_same "=' ']] = "$ LINE"]], then "line $ rownum is not matched" $ ((Rownum + 1))

expected output: 

 < Code> line 2 is not matched

actual output "

  line 1 is not matched, row 2 is not matched.

Please help me why this is not working.

diff < / Code> It is a good to do this, however if you want to read lines from both lines also you can also No need to use awk . 

  count = 0 while IFS = read -r line A & amp; IFS = read -r lineB & lt; & Amp; 3 count = 'expr $ count + 1` if ["$ lineA"! = "$ LineB"]; Then "line $ count" does not match "file 1.txt 3; Lt; File2.txt "

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