fixes #161

lib/util/utils.js

@@ -571,4 +571,15 @@ exports.relaxModelLikeEntities = function relaxModelLikeEntities(model) {
     }
   }
   return model;
+}
+
+/**
+ * Sanitizes the file name by replacing special characters with 
+ * empty string and by replacing space(s) with _.
+ * @param {string} str - The string to be sanitized.
+ * @returns {string} result - The sanitized string.
+ */
+exports.sanitizeFileName = function sanitizeFileName(str) {
+  let result = str ? str.replace(/[{}\[\]'";\(\)#@~`!%&\^\$\+=,\/\\?<>\|\*:]/ig, '').replace(/(\s+)/ig, '_') : str;
+  return result;
 }

lib/wireFormatGenerator.js

@@ -246,10 +246,12 @@ class WireFormatGenerator {
     let xmsExamples = operation[Constants.xmsExamples];
     if (xmsExamples) {
       for (let scenario in xmsExamples) {
-        let xmsExample = xmsExamples[scenario].value;
+        //If we do not see the value property then we assume that the swagger spec had x-ms-examples references resolved. 
+        //Then we do not need to access the value property. At the same time the file name for wire-format will be the sanitized scenario name.
+        let xmsExample = xmsExamples[scenario].value || xmsExamples[scenario];
         let sampleRequest = self.processRequest(operation, xmsExample.parameters);
         let sampleResponses = self.processXmsExampleResponses(operation, xmsExample.responses);
-        let exampleFileName = path.basename(xmsExamples[scenario].filePath);
+        let exampleFileName = xmsExamples[scenario].filePath ? path.basename(xmsExamples[scenario].filePath) : `${utils.sanitizeFileName(scenario)}.json`;
         let wireformatFileName = `${exampleFileName.substring(0, exampleFileName.indexOf(path.extname(exampleFileName)))}.`;
         wireformatFileName += self.emitYaml ? 'yml' : 'md';
         let fileName = path.join(self.wireFormatDir, wireformatFileName);