I'm trying to find and delete all files that begin with . within a directory, and I know that I could do this via the command terminal but I'm VERY new to Ubuntu and don't quite know my way around commands yet. Any help would be appreciated!

  • What do you mean exactly by binary files? – Louis Matthijssen Apr 26 '14 at 23:05
  • Hidden files. Really, anything that begins with a . – JonesCode Apr 26 '14 at 23:09

Hidden files don't have to be binary files.

You can use the following command to do this:

find /path/to/start/ -maxdepth 1 -name ".*" -type f -delete

This will search for files in /path/to/start/ starting with a dot (-name ".*", * means everything) without searching in sub directories (-maxdepth 1, change 1 to search deeper) only files (-type f) and will remove all the results (-delete).

It's not always a good idea to delete these files! Please be sure that you know what you're doing before executing this. Some files are hidden for a reason.

  • For more control, put argument i to rm command. This will require confirmation for each file to be deleted. – girardengo Apr 26 '14 at 23:30
  • 2
    With GNU find, you can also use -delete. – terdon Apr 27 '14 at 11:21
  • Don't you mean find /path/to/start/dir/ -maxdepth 1 -name ".*" -type f -exec rm {} + instead? with -maxdepth 0 you won't find anything... – gniourf_gniourf Apr 27 '14 at 15:25
  • @gniourf_gniourf You're right, my bad. I`ve updated my answer with both of your suggestions and verified that it's working as it should. – Louis Matthijssen Apr 27 '14 at 15:51

You can also do this using shell globs and a for loop:

for file in .[^.]*; do rm "$file"; done

The for file in GLOB; do ... done will expand GLOB to all file names that match it, iterate through these files, sequentially saving each as $file and then run the commands between the do and done on them.

The glob .[^.]* will match all files beginning with a . and followed by a non-dot character ([^.]). The latter is needed to avoid matching . and ../.

So, for example:

$ ls -1A
.dot and spaces
.dotfile1
internal.dot
nodot
$ for file in .[^.]*; do rm -v "$file"; done
removed ‘.dot and spaces’
removed ‘.dotfile1’
$ ls -1A
internal.dot
nodot

If you want to run this for a directory other than the one you are currently in, just add the path to the glob. For example:

for file in /home/terdon/foobar/.[^.]*; do rm "$file"; done

Of course, the loop itself is not needed as @gniourf_gniourf pointed out in the comments, and you can simply delete all the files with

rm .[^.]*
  • You're also (trying) to delete folders that start with a ., whereas the OP mentions files. (Oh, then you will argue that everything is a file in Unix...). – gniourf_gniourf Apr 27 '14 at 15:21
  • @gniourf_gniourf no, I will argue that rm has no effect on directories so whether the glob matches any or not is irrelevant. – terdon Apr 27 '14 at 16:27
  • That's why I specified (though parenthesized) trying :D. You'll get some junk on stderr though. Also, why not, simply rm /home/terdon/foobar/.[^.]*? (oh, you will argue that this might potentially exceed the max number of arguments). – gniourf_gniourf Apr 27 '14 at 16:30
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    @gniourf_gniourf yes, it might but that's indeed a good solution. I did not use it 'cause I thought that showing the loop would be useful. Added now, thanks. – terdon Apr 27 '14 at 16:36
  • Your glob .[^.]* is wrong. It won't match files/directories starting with two dots, e.g. ..hello (yes, they're possible). – Sasha Oct 12 '16 at 17:41

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