add study in exported file name

transfer.sh

@@ -82,6 +82,8 @@ function main() {
   [[ $run_export ]] && transfer::export
   [[ $run_purge  ]] && purge_files
   [[ $run_email  ]] && email
+
+  exit 0
 }
 
 function transfer::import() {
@@ -258,7 +260,7 @@ function transfer::export() {
       continue
     }
 
-    new_filename="$zone-$project-$file"
+    new_filename="$zone-$project-$study-$file"
     logging::debug "[EXPORT] $filepath ==RENAME==> $new_filename"
 
     read -r sha256 _ < <(sha256sum "$filepath")