extracted load_env into a function

paperless.sh

@@ -3,18 +3,22 @@
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
+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 "$1" in
     get_tasks)
+        load_env
         curl -H "$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}"
     ;;