'decrypt the supplied file using the provided vault secret'

def execute_decrypt(self):

    if ((len(self.args) == 0) and sys.stdin.isatty()):
        display.display('Reading    ciphertext    input    from    stdin', stderr=True)
    for f in (self.args or ['-']):
        self.editor.decrypt_file(f, output_file=self.options.output_file)
    if sys.stdout.isatty():
        display.display('Decryption    successful', stderr=True)
