args :: Parser Args
args = Args
  <$> argument str (metavar "FILE")
  <*> option auto (long "offset" <> metavar "N" <> value 0 <> help offsetHelp)
args :: Parser Args
args = Args
  <$> argument str (metavar "FILE")
  <*> option auto (long "offset" <> metavar "N" <> value 0 <> help offsetHelp)
args = Args
  <$> argument str (metavar "FILE")
  <*> option auto (long "offset" <> metavar "N" <> value 0 <> help offsetHelp)