awk shell计算浮点数除法
[root@node01 ~]# awk 'BEGIN{printf "%.2f%\n",123456/12345678}'
0.01%
[root@node01 ~]# awk 'BEGIN{printf "%.5f%\n",123456/12345678}'
0.01000%
[root@node01 ~]# awk 'BEGIN{printf "%.2f%\n",123456/12345678}'
0.01%
[root@node01 ~]# awk 'BEGIN{printf "%.5f%\n",123456/12345678}'
0.01000%