remove duplicated columns

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# 1  
Old 02-21-2008
remove duplicated columns

hi all,

i have a file contain multicolumns, this file is sorted by col2 and col3.

i want to remove the duplicated columns if the col2 and col3 are the same in another line.



the output is

# 2  
Old 02-21-2008
uniq -f1 -f2 -c file1
# 3  
Old 02-21-2008
it works but i have also in the file i get the occurence number of the line
can i remove it ??
# 4  
Old 02-21-2008
just remove '-c' option
# 5  
Old 02-21-2008
yes it work but the file a have have many columns and i want just to compare the colx and coly and ignor the rest what can i do, because f1 and f2 ignore the two first columns??
# 6  
Old 02-21-2008
yes give the columns to be avoided with -f option.
# 7  
Old 02-21-2008
i try sort -u -kx,y

with x and y are the columns numbers it works well
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