Execute a system command: Difference between revisions

//these two alternatives wait for the process to return, and capture the output

//each process function returns a Tuple of (int)"status" and (string)"output

writeln((ls_string.status == 0) ? ls_string.output : "command failed");

 

writeln((ls_array.status == 0) ? ls_array.output : "command failed");

//other alternatives exist to spawn processes in parallel and capture output via pipes