in reply to Re: Plot several data set on two separate axes
in thread Plot several data set on two separate axes

Gnuplot happily reads both plotting instructions and data from stdin, allowing you to just open a pipe to gnuplot and generate plots without having to create intermediate files.
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Re^3: Plot several data set on two separate axes
by Corion (Patriarch) on Apr 15, 2010 at 10:17 UTC

    I haven't used them, but there are even (Perl) programs that are geared towards driving gnuplot for streaming data: