qq_40340448的博客

awk 计算文件夹下所有文件的每一列的平均值for file in ./*.logdo if test -f $file then avg=`awk '{if (NR>1) for(i=1; i<=NF; i++) {a[i]+=$i; b[i]++}}; END {for(i=1; i<=NF; i++) printf "%f%s", a[i]/b[i], (i==NF?ORS:OFS)}' $file` echo $file.

数据：uint32_t snd_maxcount;uint32_t fastresend; uint32_t incr; uint32_t reset_counter; uint32_t role; ...