[erlang-questions] writing programs to work with port

[kg9020@REDACTED]

Following the "Writing an Erlang Port using OTP Principles" tutorial is this
the best way to have a program work with a port to an extprg ?  Looking at
the "Interoperability Tutorial" it appears to only cover the Erlang port to
extprg and not the issues with intergration of an application or program
working with the port.  Issue such as keeping track of the pid and how to
issue read and write to the port from with in a program.  The examples
appear to show results from the Erlang shell.  I would like to know are
there more examples or tutorials on how program an interface to port.

Newbie
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