--- /dev/null
+# This file is part of NIT (http://www.nitlanguage.org).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import binary
+
+var path = "/tmp/bin"
+var writer = new FileWriter.open(path)
+#alt1# writer.big_endian = false
+#alt3# writer.big_endian = false
+writer.write "hello"
+writer.write_byte 77
+writer.write_float 1.23456789
+writer.write_double 1.23456789
+writer.write_int64 123456789
+print writer.last_error or else "no error"
+writer.close
+
+var reader = new FileReader.open(path)
+#alt2# reader.big_endian = false
+#alt3# reader.big_endian = false
+print reader.read(5)
+print reader.read_byte or else "null"
+print reader.read_float
+print reader.read_double
+print reader.read_int64
+print reader.last_error or else "no error"
+reader.close