Merge pull request #12 from perrygreenfield/fixrawread

fixed brittle raw read of asdf file and conversion to string

Anatomy_of_an_ASDF_file.ipynb

@@ -144,7 +144,8 @@
    "outputs": [],
    "source": [
     "# Open as an ordinary file first\n",
-    "with open('tut_with_data.asdf','rb') as taf2: print(taf2.read())"
+    "with open('tut_with_data.asdf','rb') as taf2:\n",
+    "    print(taf2.read())"
    ]
   },
   {
@@ -154,7 +155,10 @@
    "outputs": [],
    "source": [
     "# Print as string, but requires conversion of text part\n",
-    "with open('tut_with_data.asdf','rb') as taf2: print(taf2.read()[:852].decode(\"utf-8\"))"
+    "with open('tut_with_data.asdf','rb') as taf2:\n",
+    "    fbytes = taf2.read()\n",
+    "    end = fbytes.find(b'...')\n",
+    "    print(fbytes[: end + 3].decode(\"utf-8\"))"
    ]
   },
   {
@@ -474,6 +478,13 @@
     "Delete data2 and save the under a different name. Open the saved file and verify\n",
     "it contains the new items."
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {