Created
October 23, 2012 13:04
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GROUP BY in awk
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| awk -F'\t' '{ if(a[$1]) a[$1]=a[$1]","$2; else a[$1]=$2;} END {for (i in a) print i, a[i];}' OFS='\t' clickthroughs.tsv | sort > clickthroughs2.tsv |
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