Hi,
I like to plot Touchstone files (see
http://en.wikipedia.org/wiki/Scattering_parameters#List_format) without
changing the files themselves. The header lines consist of a mixture of
# and ! as comment sign.
Is there a way to either add ! to the list of recognized comment signs
(or better to make the recognized comment signs user-configurable) or to
skip a certain amount of header lines?
Minimal example:
\documentclass{article}
\usepackage{pgfplots}
\begin{filecontents}{data.dat}
! Some comments
# GHz dB
! another comment line
1 0
2 -10
3 0
\end{filecontents}
\begin{document}
\begin{tikzpicture}
\begin{axis}
\addplot table [x index=0,y index=1] {data.dat};
\end{axis}
\end{tikzpicture}
\end{document}
Thanks, Chris
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