rmdir [OPTION]... DIRECTORY...
!subtitle:功能
删除空目录。
!subtitle:类型
可执行文件（/usr/bin/rmdir），属于 coreutils。
!subtitle:参数
OPTION 选项：
--ignore-fail-on-non-empty - 忽略删除非空目录的失败
-p, --parents - 同时删除祖先目录
-v, --verbose - 打印详细信息
--help - 显示帮助
--version - 显示版本
DIRECTORY - 要删除的目录，必须是空目录
!subtitle:删除一个空目录
rmdir folder
如果 folder 目录里有文件，则会失败并打印错误信息：
rmdir: failed to remove 'myfolder': Directory not empty
添加 --ignore-fail-on-non-empty 则不打印错误信息。
!subtitle:删除多个空目录
rmdir dir1 dir2 dir3
依次尝试删除这些目录。
!subtitle:递归删除空目录
rmdir -p a/b/c
等价于：
rmdir a/b/c
rmdir a/b
rmdir a
RMDIR(1) User Commands RMDIR(1)
NAME
rmdir - remove empty directories
SYNOPSIS
rmdir [OPTION]... DIRECTORY...
DESCRIPTION
Remove the DIRECTORY(ies), if they are empty.
--ignore-fail-on-non-empty
ignore each failure to remove a non-empty directory
-p, --parents
remove DIRECTORY and its ancestors; e.g., 'rmdir -p a/b' is sim‐
ilar to 'rmdir a/b a'
-v, --verbose
output a diagnostic for every directory processed
--help display this help and exit
--version
output version information and exit
AUTHOR
Written by David MacKenzie.
REPORTING BUGS
GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>
COPYRIGHT
Copyright © 2023 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
rmdir(2)
Full documentation <https://www.gnu.org/software/coreutils/rmdir>
or available locally via: info '(coreutils) rmdir invocation'
GNU coreutils 9.4 April 2024 RMDIR(1)