1 files changed, 9 insertions, 0 deletions
diff --git a/Library/Homebrew/os.rb b/Library/Homebrew/os.rb
index e16c81c7d..918758458 100644
--- a/Library/Homebrew/os.rb
+++ b/Library/Homebrew/os.rb
@@ -6,4 +6,13 @@ module OS
   def self.linux?
     /linux/i === RUBY_PLATFORM
   end
+
+  # Utilities
+  if OS.mac?
+    PATH_OPEN = "/usr/bin/open"
+  elsif OS.linux?
+    PATH_OPEN = "xdg-open"
+  else
+    raise "Unknown operating system"
+  end
 end