- minor: added spaces

src/usr/local/bin/validate_workflow.sh

@@ -361,7 +361,7 @@ prepare_cmd() {
     check_argument_notempty "${stage}"
     local key
     local cmd
-    key=$(printf "%11s%4s%9s" "${mode}" "${ftype}" "${stage}"|sed -e "y/ /_/")
+    key=$(printf "%11s%4s%9s" "${mode}" "${ftype}" "${stage}" | sed -e "y/ /_/")
     check_argument_notempty "${key}"
     debug "prepare_cmd, key=${key}"
     if [[ -n ${validators[${key}]:+1} ]]; then