gemfile, yeah

.gitignore

@@ -1 +1,2 @@
-*.gem
+*.gem
+Gemfile.lock

Gemfile

@@ -0,0 +1,4 @@
+source :rubygems
+
+gemspec
+

lib/iterm_window.rb

@@ -241,7 +241,7 @@ class ItermWindow
     # Sets the title of the tab (ie the text on the iTerm tab itself)
     def tab_color(color)
       if @currently_executing_block
-        output "write text 'cat #{file = create_tab_color_file(color)} && rm #{file}'"
+        output "write text 'cat #{file = create_tab_color_file(color)} && rm -f #{file}'"
       else
         execute_block { tab_color(color) }
       end