\def\GW{/GW}
\input{\GW/root/GW4reports/GWlatexBeamerHead.tex}
\def\IOsection#1#2{\section{#1}#2}

\begin{document}
\GWis{Diagnostics/ParticleFlux/BallPenProbe/Description/OveralIntro}
\GWis{Experiments/EdgePlasmaPhysics/ParticleFlux/BallPenProbe/Experiments/0117IntroHS/Report/Btcomparism}
\end{document}

  