diff --git a/paperless.sh b/paperless.sh
old mode 100755
new mode 100644
index 4de9247..76232a1
--- a/paperless.sh
+++ b/paperless.sh
@@ -3,19 +3,23 @@
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
-[ ! -r "./.env" ] && { echo "env file not readable, please make sure a .env is present." >&2; exit 1; }
-. "./.env"
-[ -z "$TOKEN" ] && { echo "Parameter TOKEN is not present in env file, please fill it with a valid paperless API token." >&2; exit 1; }
-[ -z "$BASE_URL" ] && { echo "Parameter BASE_URL is not present in env file, please fill it with the URL of your paperless server." >&2; exit 1; }
+load_env () {
+    [ ! -r "./.env" ] && { echo "env file not readable, please make sure a .env is present." >&2; exit 1; }
+    . "./.env"
+    [ -z "$TOKEN" ] && { echo "Parameter TOKEN is not present in env file, please fill it with a valid paperless API token." >&2; exit 1; }
+    [ -z "$BASE_URL" ] && { echo "Parameter BASE_URL is not present in env file, please fill it with the URL of your paperless server." >&2; exit 1; }
+}
 
 AUTH_PARM="Authorization: Token $TOKEN"
 
 case "$1" in
-	get_tasks)
-		curl -H "$AUTH_PARM" "${BASE_URL}/api/tasks/"
-	;;
-	put_document)
-		[ ! -r "$2" ] && { echo "file not readable." >&2; exit 1; }
-		curl -H "$AUTH_PARM" -X "POST" "${BASE_URL}/api/documents/post_document/" -H 'Accept: application/json' --form "document=@${2}"
-	;;
+    get_tasks)
+        load_env
+        curl -H "$AUTH_PARM" "${BASE_URL}/api/tasks/"
+    ;;
+    put_document)
+        load_env
+        [ ! -r "$2" ] && { echo "file not readable." >&2; exit 1; }
+        curl -H "$AUTH_PARM" -X "POST" "${BASE_URL}/api/documents/post_document/" -H 'Accept: application/json' --form "document=@${2}"
+    ;;
 esac