Read a file one line at a time,
as opposed to reading the entire file at once.



Related tasks

 Read a file character by character
 Input loop.


go =>
  FD = open("unixdict.txt"),  
  while (not at_end_of_stream(FD)) 
    Line = read_line(FD),
    println(Line)
  end,
  close(FD),
  nl.