Find empty file or directory in Linux

### Find empty file from current directory ###

[root@localhost ~]# find -type f -empty
./.cache/abrt/applet_dirlist
./.local/share/gnome-settings-daemon/input-sources-converted
./.local/share/folks/relationships.ini
./.local/share/.converted-launchers
./.local/share/tracker/data/.meta.isrunning
./.local/share/keyrings/user.keystore.HQQ99X
./.local/share/keyrings/user.keystore.ZUKY9X
./.local/share/keyrings/user.keystore.VG4S9X
./.local/share/keyrings/user.keystore.G00V9X
./.local/share/keyrings/user.keystore.681AAY
./.local/share/keyrings/user.keystore.A15Y9X
./.local/share/keyrings/user.keystore.7NT89X
./test/saidrasel.lst

### Find empty file from specific directory ###

[root@localhost ~]# find /root/test -type f -empty
/root/test/saidrasel.lst
[root@localhost ~]#
### Find empty directory from current location ###
[root@localhost ~]# find  -type d -empty
./.cache/evolution/addressbook/trash
./.cache/evolution/calendar/trash
./.cache/evolution/mail/trash
./.cache/evolution/memos/trash
./.cache/evolution/sources/trash
./.cache/evolution/tasks/trash
./.cache/folks/avatars
./.config/imsettings
./.config/abrt

### Find empty directory from specific location ###

[root@localhost ~]# mkdir -p /home/rasel/test

[root@localhost ~]# find /home/rasel/ -type d -empty
/home/rasel/.mozilla/extensions
/home/rasel/.mozilla/plugins
/home/rasel/.config/abrt
/home/rasel/test
[root@localhost ~]#

[root@localhost ~]# mkdir -p /home/rasel/test/abc

[root@localhost ~]# find /home/rasel/ -type d -empty
/home/rasel/.mozilla/extensions
/home/rasel/.mozilla/plugins
/home/rasel/.config/abrt
/home/rasel/test/abc
[root@localhost ~]#

### Remove empty directory ###

Create empty directory using following command

[root@localhost rasel]# pwd
/home/rasel
[root@localhost rasel]# mkdir test
[root@localhost rasel]# cd test/
[root@localhost test]# mkdir abc
[root@localhost test]# pwd
/home/rasel/test
[root@localhost test]# cd /root/
[root@localhost ~]# pwd
/root
[root@localhost ~]# find /home/rasel/ -type d -empty
/home/rasel/test/abc
 
[root@localhost ~]# ls -la /home/rasel/test/
total 4
drwxr-xr-x. 3 root  root    16 Dec 21 16:44 .
drwx------. 4 rasel rasel 4096 Dec 21 16:44 ..
drwxr-xr-x. 2 root  root     6 Dec 21 16:44 abc

Now remove the empty directory

[root@localhost ~]# find /home/rasel/test/ -type d -empty -exec rmdir {} \;
find: ‘/home/rasel/test/abc’: No such file or directory

[root@localhost ~]# ls -la /home/rasel/test/
total 4
drwxr-xr-x. 2 root  root     6 Dec 21 16:45 .
drwx------. 4 rasel rasel 4096 Dec 21 16:44 ..
[root@localhost ~]#