title: sed + how to get the second word (string) after "=" separator by sed
body: <p>how to get the second word (string) after "=" separator by sed (need to ignore spaces)</p>
  
  <p>for example</p>
  
  <pre><code>   echo " bla bla word word1 = strin1 string2 " | sed .....
  </code></pre>
  
  <p>I should  get string2</p>
  
  <p>another example</p>
  
  <pre><code>    echo " bla bla word word1 =swhsw 123  " | sed .....
  </code></pre>
  
  <p>I should get 123</p>