Perhaps you want to check Preferences > General > Workspaces > Refresh using native hooks or polling. You can see that the eclipse refreshes the file you edit with external editor (like vi, emacs, etc) when you check the option.
Perhaps you want to check Preferences > General > Workspaces > Refresh using native hooks or polling. You can see that the eclipse refreshes the file you edit with external editor (like vi, emacs, etc) when you check the option.