Christopher Allan Webber <cweb...@dustycloud.org> writes:
> Last night I was trying to do the equivalent of this:
>
> bash$ echo "foo" | sha512sum
>
> in guile. But I was unable to find a clear way to do it.
>
> I tried something like:
>
> (let* ((port (open-pipe*
> OPEN_BOTH
> "sha256sum" "--binary")))
> (display "test me\n" port)
> (force-output port)
> (let ((result (drain-input port)))
> (close-port port)
> (car (string-split result #\space))))
>
> Unfortunately, this just hangs forever at the drain-input. I get the
> same issue if I do (read-line port).
>
> What I expected was that Guile would provide a way to access stdin,
> stdout, stderr in a process as separate ports.
Indeed, this is exactly what we need. It's been on my TODO list
for a while.
Mark
