Wrapper for system2 with better return type and errorhandling — system3 • BBmisc

Wrapper for system2 with better return type and errorhandling.

Usage

system3(
  command,
  args = character(0L),
  stdout = "",
  stderr = "",
  wait = TRUE,
  ...,
  stop.on.exit.code = wait
)

Arguments

command: See system2.
args: See system2.
stdout: See system2.
stderr: See system2.
wait: See system2.
...: Further arguments passed to system2.
stop.on.exit.code: [logical(1)]
Should an exception be thrown if an exit code greater 0 is generated? Can only be used if wait is TRUE. Default is wait.

Value

[list].

exit.code [integer(1)]: Exit code of command. Given if wait is TRUE, otherwise NA. 0L means success. 127L means command was not found
output [character]: Output of command on streams. Only given is stdout or stderr was set to TRUE, otherwise NA.