diff --git a/device-detection/fiftyone_devicedetection/examples/gettingstarted.py b/device-detection/fiftyone_devicedetection/examples/gettingstarted.py
index 05e0e6ea..b17ecaa5 100644
--- a/device-detection/fiftyone_devicedetection/examples/gettingstarted.py
+++ b/device-detection/fiftyone_devicedetection/examples/gettingstarted.py
@@ -43,10 +43,14 @@
 
 # First create the device detection pipeline with the desired settings.
 
-# The free Lite data file, found in the folder this runs in or a folder
+# The data file named in the _51DEGREES_DD_PATH environment variable, or
+# else the free Lite data file, found in the folder this runs in or a folder
 # above it, or downloaded when it is missing.
-data_file = ExampleUtils.find_file("51Degrees-LiteV4.1.hash")
-resource_key = "!!YOUR_RESOURCE_KEY!!"
+data_file = (ExampleUtils.get_data_file_path()
+             or ExampleUtils.find_file("51Degrees-LiteV4.1.hash"))
+# The resource key for the Cloud line below, from the
+# _51DEGREES_RESOURCE_KEY environment variable.
+resource_key = ExampleUtils.get_resource_key() or "!!YOUR_RESOURCE_KEY!!"
 
 # Uncommment the line below 'On-Premise' and comment the line below 'Cloud' to 
 # switch to an On-Premise installation
diff --git a/device-detection/fiftyone_devicedetection_examples/tests/test_package_gettingstarted_from_root.py b/device-detection/fiftyone_devicedetection_examples/tests/test_package_gettingstarted_from_root.py
index 6caac8cd..1449018c 100644
--- a/device-detection/fiftyone_devicedetection_examples/tests/test_package_gettingstarted_from_root.py
+++ b/device-detection/fiftyone_devicedetection_examples/tests/test_package_gettingstarted_from_root.py
@@ -55,9 +55,16 @@ def test_runs_from_the_repository_root(self):
         folder = os.getcwd()
         os.chdir(ROOT)
         try:
-            # The builder shares usage, so nothing is sent from a test.
-            with mock.patch("requests.post"), redirect_stdout(printed):
-                runpy.run_path(str(EXAMPLE), run_name="__main__")
+            # The free file is the one under test, so a data file named in
+            # the environment, as CI names the Enterprise file, is set
+            # aside. The builder shares usage, so nothing is sent from a
+            # test.
+            with mock.patch.dict(os.environ):
+                for name in (ExampleUtils.DD_PATH_ENV_VAR,
+                             ExampleUtils.DATA_FILE_ENV_VAR):
+                    os.environ.pop(name, None)
+                with mock.patch("requests.post"), redirect_stdout(printed):
+                    runpy.run_path(str(EXAMPLE), run_name="__main__")
         finally:
             os.chdir(folder)
         said = printed.getvalue()
@@ -65,6 +72,24 @@ def test_runs_from_the_repository_root(self):
             "Who made the device? \n" + ExampleUtils.NEEDS_ENTERPRISE, said)
         self.assertIn(CONTACT_US_TAG, said)
 
+    def test_reads_the_data_file_from_the_environment(self):
+        # A data file named in _51DEGREES_DD_PATH that is not there makes
+        # the example stop naming it, which shows the variable was read.
+        missing = str(
+            ROOT / "no-such-folder" / "named-by-the-environment.hash")
+        folder = os.getcwd()
+        os.chdir(ROOT)
+        try:
+            with mock.patch.dict(os.environ, {"_51DEGREES_DD_PATH": missing}):
+                with mock.patch("requests.post"):
+                    with redirect_stdout(io.StringIO()):
+                        with self.assertRaises(Exception) as caught:
+                            runpy.run_path(
+                                str(EXAMPLE), run_name="__main__")
+        finally:
+            os.chdir(folder)
+        self.assertIn(missing, str(caught.exception))
+
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/ip-intelligence/fiftyone_ipintelligence/examples/gettingstarted.py b/ip-intelligence/fiftyone_ipintelligence/examples/gettingstarted.py
index 7679d565..b9082597 100644
--- a/ip-intelligence/fiftyone_ipintelligence/examples/gettingstarted.py
+++ b/ip-intelligence/fiftyone_ipintelligence/examples/gettingstarted.py
@@ -43,10 +43,14 @@
 
 # First create the IP intelligence pipeline with the desired settings.
 
-# The free Lite data file, found in the folder this runs in or a folder
+# The data file named in the _51DEGREES_IPI_PATH environment variable, or
+# else the free Lite data file, found in the folder this runs in or a folder
 # above it, or downloaded when it is missing.
-data_file = ExampleUtils.find_file("51Degrees-LiteV41.ipi")
-resource_key = "!!YOUR_RESOURCE_KEY!!"
+data_file = (ExampleUtils.get_data_file_path()
+             or ExampleUtils.find_file("51Degrees-LiteV41.ipi"))
+# The resource key for the Cloud line below, from the
+# _51DEGREES_RESOURCE_KEY environment variable.
+resource_key = ExampleUtils.get_resource_key() or "!!YOUR_RESOURCE_KEY!!"
 
 # Uncommment the line below 'On-Premise' and comment the line below 'Cloud' to
 # switch to an On-Premise installation
diff --git a/ip-intelligence/fiftyone_ipintelligence_examples/src/fiftyone_ipintelligence_examples/example_utils.py b/ip-intelligence/fiftyone_ipintelligence_examples/src/fiftyone_ipintelligence_examples/example_utils.py
index fb201446..a5c7c29d 100644
--- a/ip-intelligence/fiftyone_ipintelligence_examples/src/fiftyone_ipintelligence_examples/example_utils.py
+++ b/ip-intelligence/fiftyone_ipintelligence_examples/src/fiftyone_ipintelligence_examples/example_utils.py
@@ -145,6 +145,15 @@ def get_value(ip_data, property):
         except Exception:
             return None
 
+    @staticmethod
+    def get_data_file_path():
+        """!
+        The data file named in the environment, or None.
+        """
+
+        return ExampleUtils.__get_env_variable(
+            ExampleUtils.IPI_PATH_ENV_VAR, ExampleUtils.DATA_FILE_ENV_VAR)
+
     @staticmethod
     def get_resource_key():
         """!
diff --git a/ip-intelligence/fiftyone_ipintelligence_examples/tests/test_package_gettingstarted_from_root.py b/ip-intelligence/fiftyone_ipintelligence_examples/tests/test_package_gettingstarted_from_root.py
index 0b5c113e..454bfd06 100644
--- a/ip-intelligence/fiftyone_ipintelligence_examples/tests/test_package_gettingstarted_from_root.py
+++ b/ip-intelligence/fiftyone_ipintelligence_examples/tests/test_package_gettingstarted_from_root.py
@@ -33,6 +33,7 @@
 import unittest
 from contextlib import redirect_stdout
 from pathlib import Path
+from unittest import mock
 
 from fiftyone_ipintelligence_examples.example_utils import ExampleUtils
 
@@ -54,8 +55,15 @@ def test_runs_from_the_repository_root(self):
         folder = os.getcwd()
         os.chdir(ROOT)
         try:
-            with redirect_stdout(printed):
-                runpy.run_path(str(EXAMPLE), run_name="__main__")
+            # The free file is the one under test, so a data file named in
+            # the environment, as CI names the Enterprise file, is set
+            # aside.
+            with mock.patch.dict(os.environ):
+                for name in (ExampleUtils.IPI_PATH_ENV_VAR,
+                             ExampleUtils.DATA_FILE_ENV_VAR):
+                    os.environ.pop(name, None)
+                with redirect_stdout(printed):
+                    runpy.run_path(str(EXAMPLE), run_name="__main__")
         finally:
             os.chdir(folder)
         said = printed.getvalue()
@@ -65,6 +73,24 @@ def test_runs_from_the_repository_root(self):
             said)
         self.assertIn(CONTACT_US_TAG, said)
 
+    def test_reads_the_data_file_from_the_environment(self):
+        # A data file named in _51DEGREES_IPI_PATH that is not there makes
+        # the example stop naming it, which shows the variable was read.
+        missing = str(
+            ROOT / "no-such-folder" / "named-by-the-environment.ipi")
+        folder = os.getcwd()
+        os.chdir(ROOT)
+        try:
+            with mock.patch.dict(os.environ, {"_51DEGREES_IPI_PATH": missing}):
+                with mock.patch("requests.post"):
+                    with redirect_stdout(io.StringIO()):
+                        with self.assertRaises(Exception) as caught:
+                            runpy.run_path(
+                                str(EXAMPLE), run_name="__main__")
+        finally:
+            os.chdir(folder)
+        self.assertIn(missing, str(caught.exception))
+
 
 if __name__ == "__main__":
     unittest.main()