title: How execute bash script line by line?
body: <p>If I enter <a href="http://tldp.org/LDP/Bash-Beginners-Guide/html/sect_02_03.html" rel="noreferrer">bash -x</a> option, it will show all the line. But the script will execute normaly.</p>
  
  <p>How can I execute line by line? Than I can see if it do the correct thing, or I abort and fix the bug. The same effect is put a <code>read</code> in every line.</p>