title: illegal character and parse error
body: <hr>
  
  <p>top -n 2 -d 5 | grep Cpu | awk 'NR==2' | sed -e "s/\%//g" | sed -e "s/\us,//g" > temp</p>
  
  <p>cpu_value=<code>awk '{print $2}' temp</code></p>
  
  <h2>cpu_calc=<code>echo "scale=4; 100 - $cpu_value" | bc</code></h2>
  
  <p>I am getting the below error:</p>
  
  <p>(standard_in) 1: illegal character: ^[
  (standard_in) 1: parse error</p>