zhaopingzi 發(fā)表于 2012-03-18 17:19
$ awk '{if(NR==1)printf $0;else if($1==p)print $0" ";else printf $0;p=$1}'
zhaopingzi 發(fā)表于 2012-03-18 17:49
awk '{if(a[$1])a[$1]=a[$1]" "$0;else a[$1]=$0}END{for(i in a) print a}'
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