Re: Saving all xterm output to a file

[Gary Johnson <garyjohn at spocom dot com>]

On 2009-02-07, Thomas Dickey wrote:
> On Sat, 7 Feb 2009, teddybouch wrote:
> 
> >I am trying to automate a simulation process, and part of this involves
> >capturing the output that is written to an xterm window when a particular
> >process is run. I thought that I had this figured out using the following
> >command:
> >
> >../run 1 Joiner default > results.dat
> 
> fwiw, this isn't specific to X...
> 
> >"run" is the program that I am running and want to catch the output of. 1,
> >"Joiner," and "default" are parameters needed by that program. 
> >"results.dat"
> >is the file that I want the output written to. It was working alright, but
> >then I realized that it wasn't getting all the output that ought to be
> >there. Now, it has progressed to the point that I'm not getting any of the
> >printout statements at all - they don't appear in the xterm window or in 
> >the
> >file.
> 
> Perhaps you're looking for the messages written to stderr.
> For that you need to redirect stderr as well, e.g.,
> 
> ../run 1 Joiner default 2>&1 > results.dat

I think that has to be written this way:

    ../run 1 Joiner default > results.dat 2>&1

But if you (the OP) wants to see what's going into that file, you
should tee, like this:

    ../run 1 Joiner default 2>&1 | tee results.dat

HTH,
Gary



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