so, there no method to delete special files that below a directory?

such as in the directory

[root@chenqiang]# tree . ├── test_10d └── test_20d

0 directories, 2 files [root@chenqiang]# ll total 8 -rw-r--r-- 1 root root 4 5月 20 19:14 test_10d -rw-r--r-- 1 root root 4 5月 10 19:15 test_20d

So, I want to delete file test_20d, keep test_10d, how to do that? thx.

On 2016年05月27日 02:12, Gordon Messmer wrote:

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On 05/24/2016 11:18 PM, Qiang Chen wrote:

...

#Type Path Mode UID GID Age Arg d /chenqiang 0775 root root 10s f /chenqiang/test_10s 0660 root root 10s f /chenqiang/test_20s 0660 root root 20s

It can delete dir if the age > 10s, but can't delete the files in it. 

The man page for tmpfiles.d says, of the age field: "The age field only applies to lines starting with d, D, and x."

So, the line:

d /chenqiang/test_10s 0660 root root 10s

indicates that systemd-tmpfiles should create the directory /chenqiang/test_10s, owned by root/root with mode 0660, and periodically clean it of files and empty directories more than 10s old.

Note that the default configuration runs systemd-tmpfiles once per day, so specifying time periods much smaller than that may not be useful.

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