This is a FAQ. 
echo 'DATA_ARCHIVE                   BDAT    -    -   BG      -       
+  sas
DATA_CORP                      BDAC    -    Y   BG      bg        sas
DAATA_ARCHIVE                  BDAA    -    -   BG      -         hado
+op
DATA_CONS                      BDAC    -    -   BG      -         hado
+op
DATA_APPS                      BDAP    -    -   BG      ba        misc
DATA_HISTORY                   BDAH    -    -   BG      -         hado
+op' \
    | perl -lane 'print $F[6] if ! $seen{ $F[6] }++'

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($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

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In reply to Re: OT: Find unique values in a column by choroba
in thread OT: Find unique values in a column by rahulme81

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