Line plot in GnuPlot where line color is a third column in my data file?

Question

I have a datafile that looks like this:

1 1.0 0
2 1.5 0
3 0.0 1
4 1.2 2
5 1.0 1
6 1.1 1

where the first column is my X value, the second co

Answer 1

This following works for me (gnuplot 4.4)

plot "./file.dat" u 1:2:3 with lines  palette

Hope this helps.

When I ran your code gnuplot couldn't pass the "rgb" part.

For an example of using the variable tag see the similar question: GNUPLOT: dot plot with data depending dot size

with the useful examples found here: http://gnuplot.sourceforge.net/demo/pointsize.html

All the best

Tom