From 0e1f1e07b2c8d87f181e081dec652211221171e0 Mon Sep 17 00:00:00 2001
From: "Cedric H. David" <cedric.david@jpl.nasa.gov>
Date: Thu, 11 Jun 2020 13:45:34 -0700
Subject: [PATCH] Added append option to writefile.

---
 TUTORIAL.ipynb | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/TUTORIAL.ipynb b/TUTORIAL.ipynb
index 726ab00..f58962b 100644
--- a/TUTORIAL.ipynb
+++ b/TUTORIAL.ipynb
@@ -10,7 +10,7 @@
     "If you have not done so already, you need to create an account at ",
     "https://urs.earthdata.nasa.gov/ in order to access the data used in this ",
     "tutorial. Once the account is created, your information has to be ", 
-    "included in this tutorial.  To do so, we will include them in a file ",
+    "included in this notebook.  To do so, we will include them in a file ",
     "that is called `.netrc` and that is located in the home directory `~/`. ",
     "In the cell below, please replace `YourLogin` and `YourPassword` by your ",
     "own NASA EarthData credentials."
@@ -22,7 +22,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "%%writefile ~/.netrc\n",
+    "%%writefile -a ~/.netrc\n",
     "machine urs.earthdata.nasa.gov login YourLogin password YourPassword"
    ]
   },
@@ -30,14 +30,14 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Likewise, this tutorial uses data that are freely available from PO.DAAC, "
-    "one of NASA's Distributed Active Archive Centers. You do not need to "
-    "create a new account as the EarthData credentials give you access to "
-    "PO.DAAC, but you'll need to know your Access API Credentials in order to "
-    "automatically download data. To obtain them, go to "
-    "https://podaac-tools.jpl.nasa.gov/drive/ and click Access API credentials."
-    "In the cell below, please replace `YourLogin` and `YourPassword` by your ",
-    "own PO.DAAC Access API credentials."
+    "Likewise, this tutorial uses data that are freely available from PO.DAAC,",
+    " one of NASA's Distributed Active Archive Centers. You do not need to ",
+    "create a new account as the EarthData credentials give you access to ",
+    "PO.DAAC, but you'll need to know your Access API Credentials in order to ",
+    "automatically download data. To obtain them, go to ",
+    "https://podaac-tools.jpl.nasa.gov/drive/ and click Access API credentials",
+    ". In the cell below, please replace `YourLogin` and `YourPassword` by ",
+    "your own PO.DAAC Access API credentials."
    ]
   },
   {
@@ -46,7 +46,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "%%writefile ~/.netrc\n",
+    "%%writefile -a ~/.netrc\n",
     "machine podaac-tools.jpl.nasa.gov login YourLogin password YourPassword"
    ]
   },