# Call R from R

## Documentation for package ‘callr’ version 3.7.0

- DESCRIPTION file.

## Help Pages

callr-package | Call R from R
callr | Call R from R
default_repos | Default value for the 'repos' option in callr subprocesses
r | Evaluate an expression in another R session
rcmd | Run an R CMD command
rcmd_bg | Run an R CMD command in the background
rcmd_copycat | Call and R CMD command, while mimicking the current R session
rcmd_process | External R CMD Process
rcmd_process_options | Create options for an rcmd_process object
rcmd_safe | Run an R CMD command
rcmd_safe_env | 'rcmd_safe_env' returns a set of environment variables that are more appropriate for 'rcmd_safe()'. It is exported to allow manipulating these variables (e.g. add an extra one), before passing them to the 'rcmd()' functions.
rscript | Run an R script
rscript_process | External 'Rscript' process
rscript_process_options | Create options for an rscript_process object
r_bg | Evaluate an expression in another R session, in the background
r_copycat | Run an R process that mimics the current R process
r_process | External R Process
r_process_options | Create options for an r_process object
r_safe | Evaluate an expression in another R session
r_session | External R Session
r_session_debug | Interactive debugging of persistent R sessions
r_session_options | Create options for an r_session object
r_vanilla | Run an R child process, with no configuration
supported_archs | Find supported sub-architectures for the current R installation