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I'm trying to pipe a data file to gnuplot. The data file looks like:

Type1 67 45
Type2 78 34

My gp script is:

set terminal dumb
set style data histogram
set style histogram cluster gap 1
set auto x
set style fill solid border rgb "black"
set yrange [0:*]
plot "<cat" using 2:xtic(1), "" u 3:xtic(1)

When I type cat test.dat | gnuplot script.gp I get the warning

line 7: Skipping data file with no valid points

and a graph of the first data column is shown, but without the second.

I'd really appreciate any help.

justjack2000
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  • Simplify your problem. Remove the second plot (you are aware that you cannot re-use the data, only the actual file-name?), remove the histogram doing a simple x-y "plot using 2:3 w l". Isn't it a bit unorthodox to have two "cat command – Karl Sep 05 '16 at 19:51
  • Maybe you find your solution here: http://stackoverflow.com/questions/17543386/pipe-plot-data-to-gnuplot-script – cps Sep 06 '16 at 16:13

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