The String in file is 

```
Wed Jan  7 03:23:03 EST 2015 Cpu(s):  3.1%us,  0.9%sy,  0.0%ni, 94.8%id,  1.2%wa,  0.0%hi,  0.1%si,  0.0%st

```

by using following command 

```
echo $CPU_STATS | cut -d" " -f9| awk -F'%' '{print $1}'

```

Unable to get 0.9 value which have in String
Please help