gnuplot stdin, how to plot two lines?

Question

I\'m trying to produce a plot with two lines using data taken from stdin. I have a file \"test.csv\":

0,1.1,2
1,2,3
2,6,4
4,4.6,5
5,5,6

I\

Answer 1

I'd try converting the csv file to space separated (assuming no of the records span multiple lines) by piping it through sed instead of setting the separator:

cat test | sed 's/,/ /g' | gnuplot -p -e "plot '-' using ..."