title: BASH - execute command for all files with some extension
body: <p>I have to execute command in <strong><em>bash</em></strong> for all files in a folder with the extension ".prot'</p>
  
  <p>The command is called "bezogener_Spannungsgradient" and it's called like that:</p>
  
  <pre><code>bezogener_Spannungsgradient filename.prot
  </code></pre>
  
  <p>Thanks!</p>