vendor/rails/activesupport/lib/active_support/core_ext/kernel/agnostics.rb

   1 class Object
   2   # Makes backticks behave (somewhat more) similarly on all platforms.
   3   # On win32 `nonexistent_command` raises Errno::ENOENT; on Unix, the
   4   # spawned shell prints a message to stderr and sets $?.  We emulate
   5   # Unix on the former but not the latter.
   6   def `(command) #:nodoc:
   7     super
   8   rescue Errno::ENOENT => e
   9     STDERR.puts "#$0: #{e}"
  10   end
  11 end