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#1
02-06-2008
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Loop through only the distinct values in a file
Datafile has the following data seperated by :
FIELD1:FIELD2:FIELD3 D1:/opt/9.1.9:Y D2:/opt/10.1.10:Y D3:/opt/9.1.9:Y D4:/opt/8.1.8:Y D5:/opt/8.1.8:Y D6:/opt/9.1.9:Y D7:/opt/9.1.9:Y D8:/opt/10.1.10:Y D9:/opt/9.1.9:Y D10:/opt/10.1.10:Y I want to do some operations only on the distinct values of FIELD2 in a loop. 
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#2
02-06-2008
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#3
02-06-2008
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you have to be more specific here.. assuming this file is delimited by colons, u can get the distinct values by cut -f2 -d':' filename and pipe output to | sort | uniq
if u want it in loop the u can use for i in `cut -f2 -d':' filenmae |sort|uniq` do ls -l $i #do something done its untested code so u may hv to tweak a little
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