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\name{interactive}
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\name{interactive}
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\alias{interactive}
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\title{Is R Running Interactively?}
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\title{Is R Running Interactively?}
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\description{
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  Return \code{TRUE} when \R is being used interactively and
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  \code{FALSE} otherwise.
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}
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\usage{
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\usage{
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interactive()
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interactive()
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}
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}
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\alias{interactive}
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\value{
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This function returns \code{TRUE} when \R is being used interactively
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and \code{FALSE} when not.
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}
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\seealso{
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\seealso{
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  \code{\link{source}},
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\code{\link{source}}, \code{\link{.First}}
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  \code{\link{.First}}
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}
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}
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\examples{
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\examples{
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 .First <- function() if(interactive()) x11()
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 .First <- function() if(interactive()) x11()
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}
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}
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\keyword{environment}
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\keyword{environment}