Capturing file descriptor 3, or alternatives.

Michael ODonnell michael.odonnell at comcast.net
Thu Jun 21 08:43:51 EDT 2012



> What I haven't figured out is how to return the results to the
> parent shell.  Not because I can't write it somewhere other
> than the tty, but because I don't know how to get the shell to
> hook up a pipe to that extra fd, to which I can write, and from
> which the shell can later read (while leaving the tty connected
> to the usual fds.

I was suggesting the possibility that an existing tool might
help you by somehow interacting with the user via some channel
other than stdout and then uttering the results back to the
parent shell via stdout, relieving you of the task of messing
with additional pipes and such.
 


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