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Delete the lines after the last instance of the keyword


 
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# 1  
Old 07-29-2009
Delete the lines after the last instance of the keyword

I have my input sometyhing like this
Code:
aaa
bbbbbb cccccc
ddddd eeeee
1234 ravi kumar
aaaaaa vvvvvvv
5678 ravi kumar
rrrrrrr mmmmmmm

I want the output as follows.
Code:
aaa
bbbbbb cccccc
ddddd eeeee
1234 ravi kumar
aaaaaa vvvvvvv
5678 ravi kumar

Please help.

i am using the below command for deleting the rows before the first occurrence of the key word
Code:
sed -n '/ravi/,/*/p' test.log

can some one please edit this command for the above mentioned usage?
# 2  
Old 07-29-2009
Code:
 sed '/ravi/q' test.log

# 3  
Old 07-29-2009
The command deletes all the lines after the first occurence of the keyword.. I need to delete the lines after the last occurrence of the keyword. Please help

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