rcmd_bg
Run an R CMD command in the background
The child process is started in the background, and the function return immediately.
Usage
rcmd_bg(cmd, cmdargs = character(), libpath = .libPaths(),
stdout = "|", stderr = "|", poll_connection = TRUE,
repos = default_repos(), system_profile = FALSE,
user_profile = FALSE, env = rcmd_safe_env(), wd = ".",
supervise = FALSE, ...)Arguments
- cmd
Command to run. See
R --helpfrom the command line for the various commands. In the current version of R (3.2.4) these are:BATCH,COMPILE,SHLIB,INSTALL,REMOVE,build,check,LINK,Rprof,Rdconv,Rd2pdf,Rd2txt,Stangle,Sweave,Rdiff,config,javareconf,rtags.- cmdargs
Command line arguments.
- libpath
The library path.
- stdout
Optionally a file name to send the standard output to.
- stderr
Optionally a file name to send the standard error to. It may be the same as
stdout, in which case standard error is redirected to standard output. It can also be the special string"2>&1", in which case standard error will be redirected to standard output.- poll_connection
Whether to have a control connection to the process. This is used to transmit messages from the subprocess to the parent.
- repos
The
reposoption. IfNULL, then noreposoption is set. This options is only used ifuser_profileorsystem_profileis setFALSE, as it is set using the system or the user profile.- system_profile
Whether to use the system profile file.
- user_profile
Whether to use the user's profile file.
- env
Environment variables to set for the child process.
- wd
Working directory to use for running the command. Defaults to the current working directory.
- supervise
Whether to register the process with a supervisor. If
TRUE, the supervisor will ensure that the process is killed when the R process exits.- ...
Extra arguments are passed to the processx::process constructor.
Value
It returns a process object.
See Also
Other R CMD commands: rcmd_copycat,
rcmd