Launches another R process from within R — systemR • R.utils

Launches another R process from within R via system() by automatically locating the R executable, cf [1].

# S3 method for default
systemR(command="", ..., Rcommand="R", verbose=FALSE)

Arguments

command: A character string be appended to the system() call. If a vector, then the strings are concatenated separated with a space.
...: Additional arguments passed to system().
Rcommand: A character string specifying the basename of the R executable.
verbose: A logical or a Verbose object.

Value

Returns what system() returns.

Author

Henrik Bengtsson

References

[1] R-devel thread 'Best way to locate R executable from within R?', May 22, 2012.

See also

The R executable is located using R.home(), which is then launched using system().

Examples

res <- systemR(paste("--slave -e", shQuote("cat(runif(1))")), intern=TRUE)
cat("A random number: ", res, "\n", sep="")
#> A random number: 0.1495264