diff --git a/locale/fr/LC_MESSAGES/rougail_cli.po b/locale/fr/LC_MESSAGES/rougail_cli.po
index 61b3e32..800fee5 100644
--- a/locale/fr/LC_MESSAGES/rougail_cli.po
+++ b/locale/fr/LC_MESSAGES/rougail_cli.po
@@ -5,8 +5,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: \n"
-"POT-Creation-Date: 2025-05-12 08:44+0200\n"
-"PO-Revision-Date: 2025-05-12 08:44+0200\n"
+"POT-Creation-Date: 2025-05-14 08:22+0200\n"
+"PO-Revision-Date: 2025-05-14 08:22+0200\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "Language: fr\n"
@@ -16,15 +16,15 @@ msgstr ""
 "Generated-By: pygettext.py 1.5\n"
 "X-Generator: Poedit 3.5\n"
 
-#: src/rougail/cli/__main__.py:151
+#: src/rougail/cli/__main__.py:170
 msgid "cannot find \"user_data\" module \"{0}\""
 msgstr "ne peut trouve le module \"user_data\" \"{0}\""
 
-#: src/rougail/cli/__main__.py:195
+#: src/rougail/cli/__main__.py:214
 msgid "cannot find cli file for \"output_name\" module \"{0}\""
 msgstr "ne peut trouve le fichier cli pour le module \"output_name\" \"{0}\""
 
-#: src/rougail/cli/__main__.py:221
+#: src/rougail/cli/__main__.py:240
 msgid "ERROR: {0}"
 msgstr "ERREUR : {0}"
 
@@ -37,11 +37,15 @@ msgid "Loads command line parameters from a file"
 msgstr "Charger les paramètres de la ligne de commande depuis un fichier"
 
 #: src/rougail/cli/config.py:39
-msgid "Display debug informations"
+msgid "Displays debug informations"
 msgstr "Afficher les informations de debug"
 
 #: src/rougail/cli/config.py:43
-msgid "Display Rougail version and all componants"
+msgid "Displays command line option warnings informations"
+msgstr "Afficher les avertissements de chargement des options de la ligne de commande"
+
+#: src/rougail/cli/config.py:47
+msgid "Displays Rougail version and all its components"
 msgstr "Afficher la version de Rougail et de tous ces composants"
 
 #~ msgid "do not display debug informations"
diff --git a/locale/rougail_cli.pot b/locale/rougail_cli.pot
index 488892c..d192443 100644
--- a/locale/rougail_cli.pot
+++ b/locale/rougail_cli.pot
@@ -5,7 +5,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2025-05-12 08:44+0200\n"
+"POT-Creation-Date: 2025-05-14 08:25+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -15,15 +15,15 @@ msgstr ""
 "Generated-By: pygettext.py 1.5\n"
 
 
-#: src/rougail/cli/__main__.py:151
+#: src/rougail/cli/__main__.py:170
 msgid "cannot find \"user_data\" module \"{0}\""
 msgstr ""
 
-#: src/rougail/cli/__main__.py:195
+#: src/rougail/cli/__main__.py:214
 msgid "cannot find cli file for \"output_name\" module \"{0}\""
 msgstr ""
 
-#: src/rougail/cli/__main__.py:221
+#: src/rougail/cli/__main__.py:240
 msgid "ERROR: {0}"
 msgstr ""
 
@@ -36,10 +36,14 @@ msgid "Loads command line parameters from a file"
 msgstr ""
 
 #: src/rougail/cli/config.py:39
-msgid "Display debug informations"
+msgid "Displays debug informations"
 msgstr ""
 
 #: src/rougail/cli/config.py:43
-msgid "Display Rougail version and all componants"
+msgid "Displays command line option warnings informations"
+msgstr ""
+
+#: src/rougail/cli/config.py:47
+msgid "Displays Rougail version and all its components"
 msgstr ""
 
diff --git a/src/rougail/cli/__main__.py b/src/rougail/cli/__main__.py
index c877247..9e031f3 100644
--- a/src/rougail/cli/__main__.py
+++ b/src/rougail/cli/__main__.py
@@ -16,6 +16,7 @@ You should have received a copy of the GNU General Public License
 along with Mtools.  If not, see <http://www.gnu.org/licenses/>.
 """
 
+import os
 from warnings import warn
 from pathlib import Path
 from sys import exit
@@ -41,6 +42,9 @@ except ImportError:
 from .i18n import _
 
 
+ENV_PREFIX = "ROUGAILCLI"
+
+
 def _main(arguments, do_not_print):
     rougailconfig = get_rougail_config(
         backward_compatibility=False, add_extra_options=False
@@ -57,7 +61,10 @@ def _main(arguments, do_not_print):
     }
     fake_user_datas = []
     if RougailUserDataYaml:
-        config_file = cmd_config.forcepermissive.option("cli.config_file").value.get()
+        cli_config_file_key = f"{ENV_PREFIX}_CLI.CONFIG_FILE"
+        config_file = os.environ.pop(cli_config_file_key, None)
+        if not config_file:
+            config_file = cmd_config.forcepermissive.option("cli.config_file").value.get()
         if Path(config_file).is_file():
             fake_rougail_config = {
                 "step.user_data": "yaml",
@@ -70,7 +77,7 @@ def _main(arguments, do_not_print):
     if RougailUserDataEnvironment:
         fake_rougail_config = {
             "step.user_data": "environment",
-            "environment.default_environment_name": "ROUGAILCLI",
+            "environment.default_environment_name": ENV_PREFIX,
         }
         fake_user_datas.extend(
             RougailUserDataEnvironment(
@@ -89,7 +96,7 @@ def _main(arguments, do_not_print):
     parser.parse_args(arguments)
     if user_datas:
         user_data = UserDatas(cmd_config).user_datas(user_datas, user_datas_type="values")
-        if user_data["warnings"]:
+        if user_data["warnings"] and cmd_config.option("cli.warnings").value.get():
             for warning in user_data["warnings"]:
                 warn(warning)
         if user_data["errors"]:
diff --git a/src/rougail/cli/config.py b/src/rougail/cli/config.py
index 6c4564a..0310c73 100644
--- a/src/rougail/cli/config.py
+++ b/src/rougail/cli/config.py
@@ -36,11 +36,15 @@ cli:
     default: .rougailcli.yml
 
   debug:
-    description: {_('Display debug informations')}
+    description: {_('Displays debug informations')}
     default: false
 
+  warnings:
+    description: {_('Displays command line option warnings informations')}
+    default: true
+
   versions:
-    description: {_('Display Rougail version and all componants')}
+    description: {_('Displays Rougail version and all its components')}
     default: false
 
   load_config:
diff --git a/src/rougail/cli/locale/fr/LC_MESSAGES/rougail_cli.mo b/src/rougail/cli/locale/fr/LC_MESSAGES/rougail_cli.mo
index e3fa0f9..0ae6d5c 100644
Binary files a/src/rougail/cli/locale/fr/LC_MESSAGES/rougail_cli.mo and b/src/rougail/cli/locale/fr/LC_MESSAGES/rougail_cli.mo differ
diff --git a/tests/rougailcli_file/.rougailcli.yml b/tests/rougailcli_file/.rougailcli.yml
new file mode 100644
index 0000000..2568449
--- /dev/null
+++ b/tests/rougailcli_file/.rougailcli.yml
@@ -0,0 +1,7 @@
+---
+main_dictionaries:
+  - structures
+step:
+  output: doc
+doc:
+  output_format: json
diff --git a/tests/rougailcli_file/alt_rougailcli.yml b/tests/rougailcli_file/alt_rougailcli.yml
new file mode 100644
index 0000000..1818ce1
--- /dev/null
+++ b/tests/rougailcli_file/alt_rougailcli.yml
@@ -0,0 +1,7 @@
+---
+main_dictionaries:
+  - structures
+step:
+  output: doc
+doc:
+  output_format: console
diff --git a/tests/rougailcli_file/console.txt b/tests/rougailcli_file/console.txt
new file mode 100644
index 0000000..c9f2c9b
--- /dev/null
+++ b/tests/rougailcli_file/console.txt
@@ -0,0 +1 @@
+"\u250f\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2533\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2513\n\u2503\u001b[1m \u001b[0m\u001b[1mVariable                                                                             \u001b[0m\u001b[1m \u001b[0m\u2503\u001b[1m \u001b[0m\u001b[1mDescription                                                                          \u001b[0m\u001b[1m \u001b[0m\u2503\n\u2521\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2547\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2529\n\u2502 \u001b[1mmy_variable\u001b[0m                                                                           \u2502 A description.                                                                        \u2502\n\u2502 \u001b[1;7m string \u001b[0m \u001b[1;7m mandatory \u001b[0m                                                                  \u2502 \u001b[1mDefault\u001b[0m: my_value                                                                     \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n"
\ No newline at end of file
diff --git a/tests/rougailcli_file/structures/file.yml b/tests/rougailcli_file/structures/file.yml
new file mode 100644
index 0000000..a211e78
--- /dev/null
+++ b/tests/rougailcli_file/structures/file.yml
@@ -0,0 +1,4 @@
+---
+version: 1.1
+
+my_variable: my_value  # a description
diff --git a/tests/rougailcli_file/yaml.txt b/tests/rougailcli_file/yaml.txt
new file mode 100644
index 0000000..2d132fa
--- /dev/null
+++ b/tests/rougailcli_file/yaml.txt
@@ -0,0 +1 @@
+"{\n  \"my_variable\": {\n    \"type\": \"variable\",\n    \"default\": \"my_value\",\n    \"properties\": [\n      {\n        \"type\": \"type\",\n        \"name\": \"string\"\n      },\n      {\n        \"type\": \"property\",\n        \"name\": \"mandatory\"\n      }\n    ],\n    \"paths\": [\n      \"my_variable\"\n    ],\n    \"names\": [\n      \"my_variable\"\n    ],\n    \"descriptions\": [\n      \"A description.\"\n    ]\n  }\n}"
\ No newline at end of file
diff --git a/tests/test_load.py b/tests/test_load.py
index 4e311dc..776e0f0 100644
--- a/tests/test_load.py
+++ b/tests/test_load.py
@@ -1,3 +1,4 @@
+import os
 from pathlib import Path
 from contextlib import chdir
 from json import dumps, loads
@@ -78,3 +79,28 @@ def test_cli_version_user_data_disabled():
         with filename.open() as fh:
             data = loads(fh.read())
         assert ret == (True, data)
+
+
+def test_cli_rougailcli():
+    with chdir(test_dir / 'rougailcli_file'):
+        ret = main([], do_not_print=True)
+        filename = Path('yaml.txt')
+        if not filename.is_file():
+            with filename.open('w') as fh:
+                fh.write(dumps(ret[1]))
+        with filename.open() as fh:
+            data = loads(fh.read())
+        assert ret == (True, data)
+
+
+def test_cli_alt_rougailcli():
+    with chdir(test_dir / 'rougailcli_file'):
+        os.environ["ROUGAILCLI_CLI.CONFIG_FILE"] = 'alt_rougailcli.yml'
+        ret = main([], do_not_print=True)
+        filename = Path('console.txt')
+        if not filename.is_file():
+            with filename.open('w') as fh:
+                fh.write(dumps(ret[1]))
+        with filename.open() as fh:
+            data = loads(fh.read())
+        assert ret == (True, data)