file.setAttributes(fileName, fileFlagsOptions) set the attributes of a file; This is a plain object with ReadOnly, Hidden or Archive booleans.
file.copy(sourceFileMask, destFileOrFolder, recurse = false, overwrite = true) Copy 1 or more files/directories to a target. Recurse will recurse into directories, if overwrite is false it will fail if the file already exists.
file.move(sourceFileMask, destFileOrFolder, delete) Copy 1 or more files/directories to a target. Recurse will recurse into directories, if overwrite is false it will fail if the file already exists.
file.list(pathandmask, recurse): array of string Show a list of files given a mask; recurse defines if it shows files in sub directories.
file.remove(filename) Remove a file
file.read(filename): string Read a file and return the content as a string
file.write(filename, data) Write a file with a string as content
file.append(filename, data) Append a string to a file
file.exists(filename): bool Check if a file exists