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drop down structure in file


 
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# 1  
Old 09-10-2009
drop down structure in file

I have file like this

120, rahim, d40
115, rahul, d40
113, begum, d40

I want to group this file like this

120, rahim, d40
115, rahul,
113, begum,

can any one help me on this

thanks in advance
# 2  
Old 09-10-2009
You can do this easily in awk. Just save the value of the last field in a variable, and if it is still the same when you read the next line, do not print the last field.

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