diff --git a/data/.gitignore b/data/.gitignore
index 79d0228..e51c42e 100644
--- a/data/.gitignore
+++ b/data/.gitignore
@@ -1,2 +1 @@
-
-*.raw
\ No newline at end of file
+*.raw
diff --git a/data/read_frame.py b/data/read_frame.py
index 28ffca4..c031e57 100644
--- a/data/read_frame.py
+++ b/data/read_frame.py
@@ -28,11 +28,21 @@ frames = 3
 
 data = np.zeros((frames,rows,cols), dtype = np.uint16)
 header = np.zeros(frames, dtype = header_dt)
-with open('jungfrau_single_d0_f0_0.raw') as f:
-    for i in range(frames):
-        header[i] = np.fromfile(f, dtype=header_dt, count = 1)
-        data[i] = np.fromfile(f, dtype=np.uint16,count = rows*cols).reshape(rows,cols)
+for file_id in range(4):
+    file_name = 'jungfrau_single_d0_f{}_0.raw'.format(file_id)
+    print("Reading file:", file_name)
+    with open(file_name) as f:
+        for i in range(frames if file_id != 3 else 1):
+            header[i] = np.fromfile(f, dtype=header_dt, count = 1)
+            data[i] = np.fromfile(f, dtype=np.uint16,count = rows*cols).reshape(rows,cols)
 
-fig, ax = plt.subplots()
-im = ax.imshow(data[0])
-im.set_clim(2000,4000)
+
+    for i in range(frames if file_id != 3 else 1 ):
+        print("frame:",i)
+        print(data[i][0,0],data[i][0,1],data[i][1,0],data[i][rows-1,cols-1])
+        print("")
+
+
+#fig, ax = plt.subplots()
+#im = ax.imshow(data[0])
+#im.set_clim(2000,4000)