Mac OSX announces itself as 'darwin' in Perl

diff --git a/tools/tesh/tesh.pl b/tools/tesh/tesh.pl
index 9db28ba..4b22efa 100755 (executable)
--- a/tools/tesh/tesh.pl
+++ b/tools/tesh/tesh.pl
@@ -47,8 +47,7 @@ use Text::ParseWords;
 use IPC::Open3;
 use IO::File;
 
 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";
     $OS = "UNIX";
 } elsif ($^O eq "MSWin32") {
     $OS = "WIN";