[erlang-questions] Formatting question

[Vance Shipley]

On Sat, Aug 04, 2007 at 09:06:23PM +0200, Burkhard Neppert wrote:
}  I'd like to convert binary data to its hex string representation.
}  E.g. bin2hex(<<255:16>>) ->  "00FF"


2> t:bin2hex(<<255:16>>).
00FF
ok

-module(t).
-export([bin2hex/1]).

bin2hex(<<>>) ->
        io:fwrite("~n");
bin2hex(<<I:8, Rest/binary>>) ->
        io:fwrite("~2.16.0B", [I]),
        bin2hex(Rest).