Re: [Gnuplot-info] gnuplot with two-way pipe

[Hans-Bernhard B. <HBB...@t-...>]

On 02.07.2011 20:03, Zoltán wrote:

> which would send back the string "TRANSMISSION_OVER", whenever the command
> executed properly. However, this works only, if there are no errors. If there is
> an error, gnuplot sends back the error message, but not the sought-after string.
> Obviously, the user would not know how many lines are on the pipe, so it is not
> clear how long one is supposed to wait for gnuplot.

Why would there be a need to wait for anything?  You either get your 
"OK" message string, or you get an error message.  Either one of those 
signifies that the previous command is no finished.