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matching two fields


 
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Operating Systems Linux matching two fields
# 1  
Old 11-05-2009
matching two fields

Hi

I am having 2 fields and if f1=f2 i wanna print that line

eg

1 2
1 3
1 9
2 2
3 5
9 9

In the abov eg. the highlighted lines shud be printed

2 2
9 9

Thanking u
# 2  
Old 11-05-2009
Code:
awk '$1 == $2' file1

# 3  
Old 11-07-2009
Hi

awk function s not working
An error message occurs

"awk : ^
awk : ^ syntax error"
# 4  
Old 11-07-2009
It's just about the simplest piece of awk there is.

Did you use double quotes " by mistake, instead of single quotes ' ?

Please show the exact command you ran.

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