Subject:
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Re: NQC stdin & stdout
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Newsgroups:
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lugnet.robotics.rcx.nqc
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Date:
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Tue, 15 Aug 2000 22:26:37 GMT
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Viewed:
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1727 times
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Dave Baum wrote:
> In article <3990D5A1.9635859E@akasa.bc.ca>, Dean Husby
> <nntp@akasa.bc.ca> wrote:
>
> > I'm looking for some way in windows to send files to and from stdin &
> > stdout.
> >
> > I'm not 'C' savvy. I'm building a macro set for a editor to NQC for the
> > disabled and would like to talk to NQC via the above.
> >
> > If I can't talk to it directly I'd love a cmd line program that, when
> > run, takes the contents of the Clip board and sends that to NQC via
> > stdin. I can handle the output by way of a file if need be.
>
> I'm not sure about the specific calls, but when you invoke one program
> from another you typically can control what file handles are used as
> stdin, stdout, and stderr by the launched program. Usually these are
> just handed off from stdin/stdout/stderr of the calling program, but you
> should be able to make them anything you want.
>
> Sending data from the clipboard (or any other memory) may be tricky.
> I'm not very familiar with Windows, but under Unix I'd probably have the
> calling program create a pipe and hand the other end of the pipe to the
> callee as stdin. Then the caller could just stuff all the data into the
> pipe and close it, and the callee would see the data on stdin and then
> also see an EOF.
>
> From a more practical standpoint (given that I'm unfamiliar with the
> Windows capabilities for exec'ing tasks, pipes, etc), if I had to do
> this I'd probably take the lazy way out and have the calling program
> just create a temp file, and pass that on the command line to NQC.
> Inelegant, but very easy to implement.
Yes, that would be the easiest way but also the most annoying as it forces me
to change the file name on the users editor. I'm looking in to a DDE command
way to avoid this, but so far without success.
Thanks for your help btw.
Dean
--
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Message has 1 Reply:
 | | Re: NQC stdin & stdout
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| (...) Could you copy the entire contents to the clipboard, then have your program write the clipboard data to a temp file? (you'd still avoing having to create pipes, etc) Dave Baum (24 years ago, 16-Aug-00, to lugnet.robotics.rcx.nqc)
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Message is in Reply To:
| | Re: NQC stdin & stdout
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| (...) I'm not sure about the specific calls, but when you invoke one program from another you typically can control what file handles are used as stdin, stdout, and stderr by the launched program. Usually these are just handed off from (...) (24 years ago, 13-Aug-00, to lugnet.robotics.rcx.nqc)
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