| Line 15... |
Line 15... |
| 15 |
keep.source = getOption("keep.source.pkgs"),
|
15 |
keep.source = getOption("keep.source.pkgs"),
|
| 16 |
keep.parse.data = getOption("keep.parse.data.pkgs"),
|
16 |
keep.parse.data = getOption("keep.parse.data.pkgs"),
|
| 17 |
toplevel.env = as.environment(envir))
|
17 |
toplevel.env = as.environment(envir))
|
| 18 |
}
|
18 |
}
|
| 19 |
\arguments{
|
19 |
\arguments{
|
| 20 |
\item{file}{a character string naming the file to be read from}
|
20 |
\item{file}{a character string naming the file to be read from.}
|
| 21 |
\item{envir}{an \R object specifying the environment in which the
|
21 |
\item{envir}{an \R object specifying the environment in which the
|
| 22 |
expressions are to be evaluated. May also be a list or an integer.
|
22 |
expressions are to be evaluated. May also be a list or an integer.
|
| 23 |
The default \code{\link{baseenv}()} corresponds to evaluation in the base
|
23 |
The default \code{\link{baseenv}()} corresponds to evaluation in the base
|
| 24 |
environment. This is probably not what you want; you should
|
24 |
environment. This is probably not what you want; you should
|
| 25 |
typically supply an explicit \code{envir} argument, see the
|
25 |
typically supply an explicit \code{envir} argument, see the
|
| Line 32... |
Line 32... |
| 32 |
\item{keep.parse.data}{logical. If \code{TRUE} and \code{keep.source} is
|
32 |
\item{keep.parse.data}{logical. If \code{TRUE} and \code{keep.source} is
|
| 33 |
also \code{TRUE}, functions keep parse data with their source, see
|
33 |
also \code{TRUE}, functions keep parse data with their source, see
|
| 34 |
\code{\link{options}(keep.parse.data = *)} for more details.}
|
34 |
\code{\link{options}(keep.parse.data = *)} for more details.}
|
| 35 |
\item{toplevel.env}{an \R environment to be used as top level while
|
35 |
\item{toplevel.env}{an \R environment to be used as top level while
|
| 36 |
evaluating the expressions. This argument is useful for frameworks
|
36 |
evaluating the expressions. This argument is useful for frameworks
|
| 37 |
running package tests; the default should be used in other cases}
|
37 |
running package tests; the default should be used in other cases.}
|
| 38 |
}
|
38 |
}
|
| 39 |
\details{
|
39 |
\details{
|
| 40 |
For large files, \code{keep.source = FALSE} may save quite a bit of
|
40 |
For large files, \code{keep.source = FALSE} may save quite a bit of
|
| 41 |
memory. Disabling only parse data via \code{keep.parse.data = FALSE}
|
41 |
memory. Disabling only parse data via \code{keep.parse.data = FALSE}
|
| 42 |
can already save a lot.
|
42 |
can already save a lot.
|
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