CleanInvalidChars cleans invalid characters from the file name based on the current operating system.

Cp copies a file or directory.

GetAbsolutePath returns the absolute path for a given relative or classpath file.

GetBaseName returns the base name of the file without the extension.

GetExtension returns the file extension.

IsDir checks if the given path is a directory.

IsEmpty checks if a file or directory is empty.

IsFile checks if the given path is a file.

IsFileNameValid checks if the file name is valid based on the current operating system.

Mkdir creates a directory and all necessary parent directories.

Mv renames or moves a file/directory from src to dst.

Rm removes a file or directory.

Touch creates an empty file if it doesn't exist or updates the modified time if it does.