How to print the lines which are repeated 3 times in a file?


 
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# 1  
Old 05-03-2013
How to print the lines which are repeated 3 times in a file?

Hello All, I have a file which has repeated lines. I want to print the lines which are repeated three times.

Please help.
# 2  
Old 05-03-2013
try below

Code:
 
awk '{A[$0]++}END{for (i in A){if(A[i]==3){print i}}}' filename

# 3  
Old 05-03-2013
Code:
awk '++A[$0]==3' file

# 4  
Old 05-05-2013
Many thanks Vidyadhar & Yoda for your help...

I tried Yoda's code as it looked smaller & worked perfectly..

Now I need one more help.. It definitely should be another thread..
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