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Pull Data After Comma if 2 word before comma

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# 1  
Old 02-28-2010
Pull Data After Comma if 2 word before comma
Hi,

I am trying to truncate word after comma in a file ONLY if there are already 2 words BEFORE comma. If there is one word or 3 or more words BEFORE comma, then I have to leave the data AS IS. See below for example.

Code:
 
Input File :
 
John Smith, Manager
Smith, John Frank
J F K Peterson, Home
John, Smith
 
Output File :
 
John Smith
Smith, John Frank
J F K Peterson, Home
John, Smith
 
I have the following code so far but it is not doing what I am looking for.
 
cat input.dat | awk 'BEGIN{FS=","}{print $1 " " $2 ","}END { }' | tr -s "," " " >output.dat


Please advise.
# 2  
Old 02-28-2010
do you mean this.,

Code:
sed 's/^\(\w\+\s\+\w\+\),.*$/\1/' file

# 3  
Old 02-28-2010
Thanks thegeek. It worked great.....
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