--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datafile.py	Wed Sep 28 12:29:19 2011 +0930
@@ -0,0 +1,28 @@
+import exceptions
+import numpy
+
+class DataFile(object):
+    def __init__(self, fname):
+        f = file(fname)
+        self.opts = {}
+        for line in f:
+            key, value = line.strip().split(' ', 1)
+            if key == "XDATA":
+                self.freqs = numpy.fromstring(value, sep = ', ')
+                continue
+            
+            if key == "YDATA":
+                self.powers = numpy.fromstring(value, sep = ', ')
+                continue
+            
+            try:
+                self.opts[key] = int(value)
+            except exceptions.ValueError, e:
+                try:
+                    self.opts[key] = float(value)
+                except exceptions.ValueError, e:
+                    self.opts[key] = value
+
+    def __getitem__(self, k):
+        return self.opts[k]
+