$ ls -la
total 40
drwxr-xr-x 8 tinyos tinyos 4096 Jan  3 11:37 .
drwxr-xr-x 5 tinyos tinyos 4096 Jan  2 20:38 ..
drwxr-xr-x 2 tinyos tinyos 4096 Jan  3 10:01 2018-01-01
drwxr-xr-x 2 tinyos tinyos 4096 Jan  3 10:02 2018-01-02
drwxr-xr-x 2 tinyos tinyos 4096 Jan  3 11:33 2018-01-03
drwxr-xr-x 2 tinyos tinyos 4096 Jan  3 10:02 2018-01-04
drwxr-xr-x 2 tinyos tinyos 4096 Jan  3 11:34 2018-01-05
drwxr-xr-x 2 tinyos tinyos 4096 Jan  3 11:27 2018-01-06
-rw-r--r-- 1 tinyos tinyos 1230 Jan  3 11:37 test.pl
-rw-r--r-- 1 tinyos tinyos  414 Jan  3 10:26 test.pl~