Find a blank field


 
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# 1  
Old 06-14-2013
Find a blank field

Find a blank field

Hi

I have set of fields that have some blank values, how to find that and get its line noumbers in output file.

Ex:
Code:
Col1 col2 col3
11 ss 103
12   104
13   105  
14 se 106

# 2  
Old 06-14-2013
Code:
awk '{if(NF==2)print $1}'


Last edited by Franklin52; 06-14-2013 at 07:09 AM.. Reason: Please use code tags
# 3  
Old 06-14-2013
Code:
$ cat inputfile
Col1 col2 col3
11 ss 103
12   104
13   105  
14 se 106
$ awk 'NF!=3 {print NR}' inputfile
3
4

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