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help! script to select line with greatest value 2 between columns

 
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Top Forums UNIX for Dummies Questions & Answers help! script to select line with greatest value 2 between columns
# 8  
Old 10-21-2011
Code:
nawk '!A[$1]++' test.txt

This User Gave Thanks to ctsgnb For This Post:
wolf_blue
# 9  
Old 10-21-2011
or using the orifinal solution:
Code:
nawk 'NR<2{next}{c=($NF-$(NF-1))}(!($1 in   A))||(c>m[$1]&&($1 in A)){m[$1]=c;A[$1]=$0 FS m[$1]}END{for(i   in A) !(i in B) && print A[i] && B[i]}' myFile

# 10  
Old 10-21-2011
when I enter:
Code:
 nawk '!A[$1]++' test.txt

I get:
Code:
A[: Event not found.

When I type the entire code suggested:
I end up with a syntax error.
Thanks.
Moderator's Comments:
Mod Comment
Please use code tags when posting data and code samples!
Last edited by vgersh99; 10-21-2011 at 05:51 PM.. Reason: code tags, please!
# 11  
Old 10-21-2011
Code:
nawk 'NR<2{next}{c=($NF-$(NF-1))}(!($1 in   A))||(c>m[$1]&&($1 in A)){m[$1]=c;A[$1]=$0 FS m[$1]}END{for(i in A) if(!(i in B)) {print A[i];B[i]}}' myFile

For the other/'event' issue... make sure you quote the awk code appropriately.
 
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