Using stdin / stdout on Unix

[Dave Cole]

I have only just started to use progress and am trying to make a
program (on Solaris) accept input from stdin and write to stdout.  The
only I have worked out is the following:

INPUT THROUGH cat NO-ECHO.
OUTPUT THROUGH cat.

This seems a bit stupid.  Surely there is a way to do the same thing
without having to bounce everything through cat.

- Dave