Convert R code to a character vector of shell commands evaluating the given R code.

The function takes R commands, deparses them, substitutes existing variables, and converts everything to character strings, from which a shell command is created that sends the given R code to the R interpreter. The function is used internally to print the commands of R rules into the Makefile.

Usage

inShell(...)

Arguments

...

R commands to be converted

Value

A character vector of shell commands that send the given R code by pipe to the R interpreter

See also

rRule(), markdownRule()

Author

Michal Burda

Examples

inShell({
  x <- 1
  y <- 2
  print(x+y)
})
#> [1] "$(R) - <<'EOFrmake'" "{"                   "    x <- 1"         
#> [4] "    y <- 2"          "    print(x + y)"    "}"                  
#> [7] "EOFrmake"