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yeah, its very much clear.

Thanks a lot, Tukuyomi.

Can anyone please explain this code. being new to unix I'm not getting this.
Thanks

thanks ichigo.
can you explain the programme?
Is there a way it can be done without using awk or may be without sed... just a thought...

Hi All,
I have a file which is having 3 columns as (string string integer)
a b 1
x y 2
p k 5
y y 4
.....
.....

Question:
I want get the unique value of column 2 in a sorted way(on column...