old_contents: "use strict";
  var nopt = require("nopt");
  var parser = require("swagger-parser");
  var path = require("path");
  
  var opts = nopt({
      "help": Boolean,
      "schema": path
  }, {
      "h": "--help",
      "s": "--schema"
  });
  
  if (opts.help) {
      console.log(
          "Use swagger-parser to validate against Swagger 2.0\n"+
          "Usage:\n"+
          "  node validator.js -s <schema_file>"
      );
      process.exit(0);
  }
  if (!opts.schema) {
      console.error("No [s]chema specified.");
      process.exit(1);
  }
  
  parser.parse(opts.schema, function(err, api, metadata) {
      if (!err) {
          console.log("%s is valid.", opts.schema);
          process.exit(0);
          return;
      }
      console.log(metadata);
      console.error(err);
      process.exit(1);
  });
new_contents: "use strict";
  var fs = require("fs");
  var nopt = require("nopt");
  var parser = require("swagger-parser");
  var path = require("path");
  
  var opts = nopt({
      "help": Boolean,
      "schema": path
  }, {
      "h": "--help",
      "s": "--schema"
  });
  
  if (opts.help) {
      console.log(
          "Use swagger-parser to validate against Swagger 2.0\n"+
          "Usage:\n"+
          "  node validator.js -s <schema_file_or_folder>"
      );
      process.exit(0);
  }
  if (!opts.schema) {
      console.error("No [s]chema specified.");
      process.exit(1);
  }
  
  
  var errFn = function(err, api, metadata) {
      if (!err) {
          return;
      }
      console.log(metadata);
      console.error(err);
      process.exit(1);
  };
  
  var isDir = fs.lstatSync(opts.schema).isDirectory()
  if (isDir) {
      console.log("Checking directory %s for .yaml files...", opts.schema);
      fs.readdir(opts.schema, function(err, files) {
          if (err) {
              console.error(err);
              process.exit(1);
          }
          files.forEach(function(f) {
              if (f.indexOf(".yaml") > 0) {
                  parser.parse(path.join(opts.schema, f), function(err, api, metadata) {
                      if (!err) {
                          console.log("%s is valid.", f);
                      }
                      else {
                          errFn(err, api, metadata);
                      }
                  });
              } 
          });
      });
  }
  else{
      parser.parse(opts.schema, function(err, api, metadata) {
          if (!err) {
              console.log("%s is valid", opts.schema);
          }
          else {
              errFn(err, api, metadata);
          }
      });
  };
  
  
subject: Update swagger validator to support directories.