The -e flag helps in executing multiple actions using a single command. To print non-consecutive lines between multiple range in the file: sed -n -e '1,2p' -e '5,6p' textfile.txt The d flag deletes the matched strings from the output and displays the rest of the content. To output the entire file content except for the specified range, use the d flag instead of p in the command: sed '3,5d' textfile.txt The sed command is also great for stream editing. The p argument stands for print and is used to display the matched lines to the user.Įxecuting the aforementioned command on the example file produces the following output. You can also use the -quiet and -silent options instead of -n. The -n flag prevents sed from displaying the pattern space at the end of each cycle. To output the content between lines 3 and 5 of the file textfile.txt: sed -n '3,5p' textfile.txt But what if you want to get the content between two specific lines in a file? In such situations, the sed command might come in handy. Linux commands such as head and tail output the first or the last ten lines of a text file. This is the third general line in the file.

It is an amazing file that will help us all. We will be using the following text file for demonstration in the post. This section covers some examples of the sed command that will definitely turn you into a Linux power user.

These are often more complex to use than nano, but are also more powerful.If you plan to become a regular Linux user, knowing how to edit files, search and replace specific words, and filter the terminal output might be useful to you. There are also quite a few other terminal-based editors available in Kubuntu, popular ones include VIM and Emacs (the pros and cons of each are cause for much friendly debate within the Linux community). When running it from the command line, always use the following command, which ensures that the editor will not introduce line breaks: nano -wįor more information about how to use nano, refer to the guide on the wiki. If you need to use a text editor from the command line, you can use nano, which is a simple to use text editor. K-menu-> Utilities-> Kate (Advanced Text Editor)įrom the command line using kdesu, as mostĬonfiguration files require root privileges to alter them. Through the graphical interface, you may occasionally have toĮditor, which can be launched by clicking Even though you most often can edit configurations All of the configurations and settings in Linux are saved in

Edit text file in terminal