title: How insert return caret and new line in bash?
body: <p>I need to send email by bash script:</p>
  
  <pre><code>$message=$line1$line2$line3$line
  
  echo $message | mail -s "$subject" myname@somewhere.com
  </code></pre>
  
  <p>How insert end of lines so body of email I can see divided by rows?</p>