/usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/fileutils.rb:488:in `read': wrong number of arguments (2 for 0..1) (ArgumentError)
        from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/fileutils.rb:488:in `copy_stream'
        from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/fileutils.rb:488:in `copy_stream'
        from /usr/local/sbin/recoverwal:34:in `block (2 levels) in retrieve_and_uncompress'
        from /usr/local/sbin/recoverwal:31:in `open'
        from /usr/local/sbin/recoverwal:31:in `block in retrieve_and_uncompress'
        from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/tempfile.rb:320:in `open'
        from /usr/local/sbin/recoverwal:25:in `retrieve_and_uncompress'
        from /usr/local/sbin/recoverwal:20:in `run'
        from /usr/local/sbin/recoverwal:44:in `<main>'