📅  最后修改于: 2020-10-21 05:36:33             🧑  作者: Mango
下表列出了所有方法及其说明,这些方法及其说明在文件系统模块上可用。
S.No | Methods & Description |
---|---|
1 | absolute
This method gives the absolute path where PhantomJS runs. |
2 | changeWorkingDirectory
This allows you to change the working directory and returns true, if it succeeds otherwise returns false. |
3 | copyTree
copyTree will copy a directory from one path to another. The first parameter is a source folder and the second parameter is a destination folder. |
4 | copy
This method helps to copy file from one location to another. It takes two parameters. The first parameter is the source file and the second parameter is the file path, where it has to be copied. It will throw an error, if the source or destination file does not exist. |
5 | exists
It checks whether the given file path exists in the system. It returns true, if it is present, otherwise false. |
6 | isAbsolute
This method will return true, if the file path is absolute and false, if relative. |
7 | isDirectory
isDirectory tells if the given file is a directory or not. It returns true, if directory otherwise false. It gives false in case if the given path does not exist. |
8 | isExecutable
This method will tell if the given file is executable or not. It returns true, if executable, otherwise false. |
9 | isFile
This gives details whether the filepath given is a file or not. It returns true, if it is a file and false, if it is not. |
10 | isLink
This will give you true, if the file path is a symlink, otherwise false. |
11 | isReadable
It checks if the given file is readable or not. It gives true, if yes and false, if not. |
12 | isWritable
It tells whether if a given file is writable. Returns true, if yes, otherwise false. |
13 | lastModified
Gives the details of the last modification done to the file. It tells the date and time of when the file was last modified. |
14 | list
It gives all the files present in the directory. |
15 | makeDirectory
Creates a new directory. |
16 | makeTree
makeTree creates all necessary folders to be able to form final directories. This will return true, if the creation was successful, otherwise false. If the directory already exists, it will return true. |
17 | move
It will move the file from one path to another. |
18 | open
It is used to open up the file. |
19 | readLink
This will return the absolute path of a file or a folder pointed by a symlink (or shortcut on Windows). If the path is not a symlink or shortcut, it will return an empty string. |
20 | read
This will read the given file. |
21 | removeDirectory
This will remove the given directory. |
22 | removeTree
It will delete all the files and folders from the given folder and finally delete the folder itself. If there is any error while doing this process, it will throw an error – ‘Unable to remove directory tree PATH’ and hang execution. |
23 | remove
It removes the given file. |
24 | size
It gives the size of the file. |
25 | touch
It creates a given file. |
26 | write
Writes to a given file. |