\HeaderA{isROOTFile}{Test for ROOT File}{isROOTFile}
\keyword{manip}{isROOTFile}
\begin{Description}\relax
Test if a file is a valid ROOT file.
\end{Description}
\begin{Usage}
\begin{verbatim}
isROOTFile(filename)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{filename}] name of ROOT file, including full path.
\end{ldescription}
\end{Arguments}
\begin{Value}
Return \code{TRUE} if file \code{filename} is a valid \code{\LinkA{ROOT}{ROOT}} file.
\end{Value}
\begin{Author}\relax
Christian Stratowa
\end{Author}
\begin{SeeAlso}\relax
\code{\LinkA{existsROOTFile}{existsROOTFile}}
\end{SeeAlso}
\begin{Examples}
\begin{ExampleCode}
isROOTFile(paste(.path.package("xps"),"schemes/SchemeTest3.root",sep="/"))
\end{ExampleCode}
\end{Examples}

