use IPC::Open3;
use IO::File;
-# Existing OSes: https://metacpan.org/source/SMUELLER/PathTools-3.47/lib/File/Spec.pm
-if($^O eq "linux" || $^O eq "MacOS"){
+if($^O eq "linux" || $^O eq "MacOS" || $^O eq "darwin"){
$OS = "UNIX";
} elsif ($^O eq "MSWin32") {
$OS = "WIN";