[erlang-questions] About open_port and epipe error

[Fred Hebert]

Have you tried with werl.exe or erl.exe? As far As I know, there are some
limitations to what werl can do with regards to redirecting i/o, which could
be the source of the problem here.

On Thu, May 20, 2010 at 5:07 AM, 钱晓明 <kyleqian@REDACTED> wrote:

> Hi, I use open_port to run .exe file under windows xp:
>     Port = open_port({spawn, "./algorithm/algorun"}, [{packet, 2}]),
>     link(Port),
>     Port ! {self(), {command, TaskContent}},
> I run this executable file 5 times, and it do nothing but only show a
> message box(do not read/write anything). I find that when they stop
> normally( I click the message box, and return 0 in main function), only the
> first one make my erlang module receiving {'EXIT', Port, normal}, the
> others are {'EXIT', Port, epipe}.
>
> So why I receive this epipe error? I am using Erlang R13B04 (erts-5.7.5).
>
> Thanks!
>