insert EOD if value in Field 1 change


 
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# 1  
Old 02-05-2008
Question insert EOD if value in Field 1 change

How to create simple awk program data such as below:
input:
1 23
1 34
1 12
2 10
2 11
2 12
3 11
3 12
3 13
expected output:
1 23
1 34
1 12
EOD
2 10
2 11
2 12
EOD
3 11
3 12
3 13
EOD


Thanks
# 2  
Old 02-05-2008
Is this a homework requirement?

Regards
# 3  
Old 02-05-2008
Computer

Quote:
Originally Posted by Franklin52
Is this a homework requirement?

Regards
Yes, it is. So please help. Thanks
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