awk常用分组统计

awk '{print $1"  "$4}' 000.txt | sort| uniq -c | sort -k1nr | head

cat 000.txt  | awk  '{a[substr($4,9,13) $1]+=1} END{for(i in a) printf "%s %s\n",i,a[i]}'  | sort -k 2 -n -r | head