# Copyright 2008-2011 Red Hat, Inc, and individual contributors.
# 
# This is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of
# the License, or (at your option) any later version.
# 
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this software; if not, write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
# 02110-1301 USA, or see the FSF site: http://www.fsf.org.

module Kernel

  private
  alias_method :open_without_vfs, :open
  alias_method :backtick_without_vfs, '`'

  def open(name, *rest, &block)
    if ( name =~ /^vfs:/ )
      return IO.vfs_open( name, *rest, &block )
    end
    open_without_vfs( name, *rest, &block )
  end

  def `(*args)
    non_vfs_args = args.map do |arg|
       arg.is_a?(String) ? arg.gsub("vfs:", "") : arg
    end
    backtick_without_vfs(*non_vfs_args)
  end

end