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Thread: merging similar columns in a single line file
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Old 05-28-2009
devtakh devtakh is offline
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Join Date: Oct 2007
Location: Bangalore
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Code:
awk '{k=$2;a[k]=a[k]"\t"$1}END{for(k in a)print k,a[k]}' OFS="\t" filename


-Devaraj Takhellambam