- fix: shellcheck style errors (SC2001, SC2116)

src/usr/local/bin/validate_workflow.sh

@@ -533,7 +533,7 @@ run_validation_cmd() {
         is_valid="1" # invalid, prepare cmd failed
         echo "Failed to build validation command from stage '${stage}', mode '${mode}', mimetype '${mimetype}', mapped file type '${ftype}'" >> "${logname}"
     else
-        cmd=$(echo "${cmd}" | sed -e "s#FILE#${filename}#") # replace FILE placeholder
+        cmd="${cmd//FILE/${filename}}" # replace FILE placeholder
         is_valid=$(exec_cmd "${cmd}" "${ftype}" "${mode}" "${stage}" "${logname}")
     fi
     debug "run_validation_cmd, is_valid: ${is_valid}"