\HeaderA{isCelFile}{Checks if a file is a CEL file or not}{isCelFile}
\keyword{programming}{isCelFile}
\keyword{file}{isCelFile}
\keyword{IO}{isCelFile}
\keyword{internal}{isCelFile}
\begin{Description}\relax
Checks if a file is a CEL file or not.
\end{Description}
\begin{Usage}
\begin{verbatim}isCelFile(filename, ...)\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{filename}] A filename.
\item[\code{...}] Not used.
\end{ldescription}
\end{Arguments}
\begin{Value}
Returns \code{\LinkA{TRUE}{TRUE}} if a CEL file, otherwise \code{\LinkA{FALSE}{FALSE}}.
ASCII (v3), binary (v4;XDA), and binary (CCG v1;Calvin) CEL files
are recognized.
If file does not exist, an exception is thrown.
\end{Value}
\begin{Author}\relax
Henrik Bengtsson (\url{http://www.braju.com/R/})
\end{Author}
\begin{SeeAlso}\relax
\code{\LinkA{readCel}{readCel}}(), \code{\LinkA{readCelHeader}{readCelHeader}}(), \code{\LinkA{readCelUnits}{readCelUnits}}().
\end{SeeAlso}

