triming lines using shell command
 

Hello, i have a problem and need your help i have a text file generated automatically from a script , but the result in the script is not ordered in a readable way, so i need your help to fix it using a shell command the text file contain data in this way : <div class="codeblock">

In-place truncation. To truncate the file in-place with sed, you can do the following:Deleting line in a shell script file using sed command.