Example shows a file data source containing transposed general-style data.

GENERAL 3 5 T
# line 1, 3 points
3
# X  Y
1   5
3  14
5  24
# line 2, 5 points
5
# X  Y
1   11
2   15
3   18
4   21
5   22
# line 3, 2 points
2
# X  Y
2   16
4   15.2