exists

查看节点是否存在

Usage

(jaina) [/] exists -[sw] [path]

(jaina) [/] exists /your/path
(jaina) [/] exists -s /need/stat/path
(jaina) [/] exists -w /your/need/watch/path

查看帮助

(jaina) [/] help exists
(jaina) [/] exists --help