Fix wrong filename in utility tool

Author: comewalk

download-openapi.sh

@@ -4,5 +4,5 @@ for v in v1 v2 v3 v4 v5 v6; do \
   curl -s http://192.168.58.25/cgi-bin/mt/mt-data-api.cgi/${v}/ \
     | jq '.servers[0].url = "https://example.com/mt/mt-data-api.cgi/v1"' \
     | jq -S . > src/openapi/${v}.json; \
-    perl json2yaml.pl ${f} > src/openapi/`basename ${f} json`yaml; \
+    perl json2yaml.pl src/openapi/${v}.json > src/openapi/${v}.yaml; \
 done