[erlang-questions] One more question?

Michael <>
Fri Feb 12 21:32:06 CET 2010


On Fri, Feb 12, 2010 at 03:03:02PM -0500, Ish Rattan wrote:
>
> Erlang server gets message from non-Erlang client as:
> <<0,0,0,10,72,101,108,108,111,46,46>>
> (numeric 10 in 4-bytes followed by "hello..")
>
> how to extract the pieces?
>
> -ishwar
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

 Also see Programming Examples in docs.

 This should work if you can be assured that the first 4 bytes
 are always before the message.

1> <<Bytes:4/binary, Msg/binary>> = <<0,0,0,10,72,101,108,108,111,46,46>>.
2> Msg.
<<"Hello..">>
3>

-- 
Michael McDaniel
Portland, Oregon, USA
http://trip.autosys.us
http://putitgetit.com



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