文件内容
test3
0.234GB
0.2235GB
0.132GB
需求 算和
#!/bin/bash
a=`awk 'gsub("GB",//)' test3`
for i in $a
do
b=`echo "scale=5;$i*100000"|bc|awk -F "." '{print $1}'`
echo $b
let c+=$b
done
echo $c
d=`echo "scale=5;$c/100000"|bc`
echo $d
#c=`echo $b|awk '{total+=$1}END{print total}'`