diff --git a/code/check_csv.sh b/code/check_csv.sh
index 20d2ab2..489da8e 100755
--- a/code/check_csv.sh
+++ b/code/check_csv.sh
@@ -1,4 +1,37 @@
 #!/bin/bash
+# SPDX-FileCopyrightText: 2025 artlog@l0g.eu
+# SPDX-License-Identifier: AGPL-3.0-or-later
+#
 
-csv_file="$1"
-python3 convert_nextcloud_poll_csv.py "$csv_file" 'Très Bien' 'Bien' 'Assez Bien' 'Passable' 'Insuffisant' 'A Rejeter'
+toolsdir=../lib
+pushd $toolsdir >/dev/null
+toolsdir=$(pwd)
+source metascript.sh
+popd >/dev/null
+
+while [[ $# > 0 ]]
+do
+    case "$1" in	
+	*)
+	    if  [[ -z $csv_file ]]
+	    then
+		csv_file="$1"
+	    else
+		parsemetaarg "$1"
+	    fi
+         ;;
+    esac
+    shift
+done
+
+metarun=metarun
+
+if [[ -z $csv_file ]]
+then
+    log_error "Missing csv_file argument"
+    exit 1
+fi
+
+enforcefile "$csv_file" exists
+
+$metarun python3 convert_nextcloud_poll_csv.py "$csv_file" 'Très Bien' 'Bien' 'Assez Bien' 'Passable' 'Insuffisant' 'A Rejeter'
diff --git a/lib b/lib
new file mode 120000
index 0000000..1b5533d
--- /dev/null
+++ b/lib
@@ -0,0 +1 @@
+nextcloud_devenv/lib
\ No newline at end of file
diff --git a/samples/check.sh b/samples/check.sh
index cc8a58c..a8e77b7 100755
--- a/samples/check.sh
+++ b/samples/check.sh
@@ -1,25 +1,53 @@
 #!/bin/bash
+# SPDX-FileCopyrightText: 2025 artlog@l0g.eu
+# SPDX-License-Identifier: AGPL-3.0-or-later
+#
 
-if [[ $# > 0 ]]
-then
-    vote=$1
-fi
+toolsdir=../lib
+pushd $toolsdir >/dev/null
+toolsdir=$(pwd)
+source metascript.sh
+popd >/dev/null
 
-if [[ -z $vote ]]
+while [[ $# > 0 ]]
+do
+    case "$1" in
+	*.json)
+	    json_file=$1
+	    ;;
+	*)
+	    if [[ $1 =~ [0-9]+ ]]
+	    then
+		vote=$1
+	    else
+		parsemetaarg "$1"
+	    fi
+         ;;
+    esac
+    shift
+done
+
+if [[ -z $vote ]] && [[ -z $json_file ]]
 then
-    echo "[ERROR] numéro de vote manquant ( ex 1 pour 1.json )"
+    log_error "numéro de vote manquant ( ex 1 pour 1.json )"
     exit 1
 fi
 
-json_file=$vote.json
-json=~/clients/artlog/artisanlogiciel.code/artlog_jsontools/build/json
-   
+if [[ -z $json_file ]]
+then
+    json_file=$vote.json
+fi
+
+enforcefile $json_file exists
+
+json=json
 if [[ -x $json ]] 
 then
     json_indent_file=$vote.indent.json
     echo "generating $json_indent_file"
     $json indent=spaces:2 -- $json_file > $json_indent_file
-    json=$json_file
+    json_file=$json_indent_file
+    enforcefile $json_file exists
 fi
 
 code_dir=../code/