Number Formatting Question

Richard Carlsson <>
Fri Feb 13 10:38:15 CET 2004


On Thu, 12 Feb 2004, Brent Fulgham wrote:

> Is there any way to instruct Erlang to format a number
> with leading zeros?

The general control sequence is `~F.P.PadC' (field width,
precision and pad char). Just change the line

	io:format("~2.16B", [H]),
to
	io:format("~2.16.0B", [H]),

For example:

  1> io:format("~4.16.0b~n", [42]).
  002a
  ok

	/Richard


Richard Carlsson ()   (This space intentionally left blank.)
E-mail: 	WWW: http://user.it.uu.se/~richardc/
 "Having users is like optimization: the wise course is to delay it."
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