This function automatically quotes both the command and each argument so they are properly protected from shell expansion.
system_output(cmd, args = character(), env = character(), quiet = FALSE,
echo = FALSE, ...)the command to run.
a vector of command arguments.
a named character vector of environment variables. Will be quoted
if TRUE, the command output will be echoed.
if TRUE, the command to run will be echoed.
additional arguments passed to system
command output if the command succeeds, an error will be thrown if the command fails.