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\name{DLL.version}
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\alias{DLL.version}
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\title{DLL Version Information}
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\description{
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  Return the version of the package and the version of \R used to
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  build the DLL, if available (usually only since \R version 1.2.0).
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}
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\usage{
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DLL.version(path)
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}
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\arguments{
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  \item{path}{character vector of length one giving the complete path to
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    the DLL.}
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}
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\value{
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  If the DLL does not exist, \code{NULL}.
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  A character vector of two, giving the DLL version and the version of
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  \R used to build the DLL.  If the information is not available, the
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  corresponding string is empty.
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}
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\examples{
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DLL.version(file.path(R.home(), "bin/R.dll"))
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DLL.version(file.path(R.home(), "library/stats/libs/stats.dll"))
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}
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\keyword{utilities}