Removes the directory or file named by the file. Renames the file or directory to the new file. The parameter may either be a file object or a string. Creates a restricted File object. Opens a stream for reading and writing.
Convenience function writes the string to the file.
The file test.xml relative to the current working directory. A file in the user's home directory. The parent of the current directory. Preparing to mail to a user. The equivalent of Java's System.err user.