[pstricks] ignore first n rows with \readdata

[Patrick Drechsler]

Hi,

sorry if I missed this information somehow. 

Is there a way to tell `\readdata' to ignore the first n row(s)
in a data file?

I often have column names in the first row(s) as in

time forcex forcey
0 0 0.2
0.1 19 -20
0.2 18 -22
...

I'm using the current stable version of pstricks-add (2.37).

TIA

Patrick
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