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Top Forums Shell Programming and Scripting Search Duplicates, Print Line # Post 302407172 by Scott on Wednesday 24th of March 2010 06:09:55 PM
Old 03-24-2010
You can find the duplicates with something like:
Code:
awk 'A[$2]++ { print NR }' file

You don't need the line number to remove them, when you can use:
Code:
awk '!A[$2]++' file

 

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