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awk help about show all the line beside the changed line

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# 1  
Old 08-29-2012
awk help about show all the line beside the changed line
Code:
awk '/abc/{print $2}'

This will show the line contains abc and only show the "two filed"

But I want to the line contains "abc" will only show $2, other line still show.

and I want to know awk's way about not only show the line besides changed line

Thanks
# 2  
Old 08-29-2012
if you show a sample file, a desired output and you're getting now, we might be able to help - reading the current 'explanation' is somewhat confusing....
This User Gave Thanks to vgersh99 For This Post:
yanglei_fage
# 3  
Old 08-29-2012
Code:
awk '{if ($0 ~ /abc/) print $2 ; else print}'

This User Gave Thanks to delugeag For This Post:
yanglei_fage
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