system3 {BBmisc}

Wrapper for system2 with better return type and errorhandling.

Description

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.