awk求和，求平均数，求最大值最小值

awk求和：

cat file.txt | awk '{sum+=$1}END{print "sum = "sum}'

awk求均值：

cat file.txt | awk '{sum+=$1} END {print "Average = "sum/NR}'

awk求最大值：

cat file.txt | awk 'BEGIN {max = 0} {if ($1>max) max=$1} END {print "Max = "max}'

awk求最小值：

cat file.txt | awk 'BEGIN {min = 1000000000} {if ($1<min) min=$1} END {print "Min = "min}'

更多生信小知识关注：