1, get column:
cat *.csv | cut -d , -f 2 > value
2, average
cat value | awk '{sum+=$1} END {print "Average= ",sum/NR}'
大数据啊呀妈妈
|
1, get column: cat *.csv | cut -d , -f 2 > value 2, average cat value | awk '{sum+=$1} END {print "Average= ",sum/NR}'
大数据啊呀妈妈
|