How to remove a file extension in bash

I am a trainer of web programming courses. I like to write article or tutorial on various IT topics. Linux users need to work with files regularly for many purposes. Sometimes the users need to read the basename of the file only by removing the file extension. Filename and extension can be separated and stored on different variables in Linux by multiple ways. Bash built-in command and shell parameter expansion can be used to remove the extension of the file. The best answers are voted up and rise to the top.

Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Remove a specific extension from all the files in a directory [duplicate] Ask Question. Asked 6 years, 11 months ago.

Active 6 years ago. Viewed 58k times. Improve this question. Gilles 'SO- stop being evil' k gold badges silver badges bronze badges. DiogoSaraiva DiogoSaraiva 2 2 gold badges 4 4 silver badges 12 12 bronze badges. Add a comment. If the filename only starts with a dot e. If there's a dot only in the path e. Improve this answer. And here I was about to use echo -n "This. Does this work with files with multiple extensions like image. Be warned this deletes the entire name if there is no extension and the path is relative.

Show 4 more comments. Rohan Rohan Forking and piping to get at a few characters is about the worst solution imaginable.

The problem with this answer is it assumes input string has ONLY one dot This answer is characteristic of beginners and should not be spreaded. Use the builtin mechanism as described by chepner's answer — neric. Fails on. Show 5 more comments. Zombo Zombo 1. How can I remove just. Update: answer: See stackoverflow. Works perfectly!

GabrielStaples you could combine it with dirname , e. I went with this. The nice thing is that basename is made for this and I discovered a new capability in what it can do. I forgot the middle rev, but once I saw it, this was great! This should be the accepted answer in my opinion, since it works on path with dots in them, with hidden files starting with a dot, or even with file with multiple extensions.

So to make sure that you'll delete all the lines from the file , you may mix both together, which would be: ggdG while in command mode. This command is used to display the differences in the files by comparing the files line by line. To kill a process use the kill command. Use the ps command if you need to find the PID of a process. Always try to kill a process with a simple kill command. This is the cleanest way to kill a process and has the same effect as cancelling a process.

A file extension or simply " extension " is the suffix at the end of a filename that indicates what type of file it is. For example , in the filename "myreport. TXT is the file extension. Sometimes long file extensions are used to more clearly identify the file type. How do I remove a file extension in bash? Category: technology and computing browsers. To extract filename and extension in Bash use any one of the following method:. How do I find and delete a file in Linux?

How do you delete multiple files at once in Linux? How to Remove Files. To delete a single file, use the rm or unlink command followed by the file name: unlink filename rm filename. How remove all files and subdirectories in Linux? How do you find and delete files recursively in Linux?

How do I delete all files in a folder?