Merge pull request #14 from nshauli/master

Add support for writing JSON results to output file using --output flag

app.go

@@ -51,7 +51,7 @@ func outputResults(controls *check.Controls, summary check.Summary) error {
 		if err != nil {
 			return err
 		}
-		fmt.Println(string(out))
+		util.PrintOutput(string(out), outputFile)
 	} else {
 		util.PrettyPrint(controls, summary, noRemediations, includeTestOutput)
 	}

root.go

@@ -35,6 +35,7 @@ var (
 	checkList         string
 	jsonFmt           bool
 	includeTestOutput bool
+	outputFile        string
 )
 
 // RootCmd represents the base command when called without any subcommands
@@ -74,6 +75,7 @@ func init() {
 	RootCmd.Flags().StringVarP(&cfgDir, "config-dir", "D", "cfg", "directory to get benchmark definitions")
 	RootCmd.PersistentFlags().BoolVar(&jsonFmt, "json", false, "Prints the results as JSON")
 	RootCmd.PersistentFlags().BoolVar(&includeTestOutput, "include-test-output", false, "Prints the test's output")
+	RootCmd.PersistentFlags().StringVar(&outputFile, "outputfile", "", "Writes the JSON results to output file")
 	RootCmd.PersistentFlags().StringVarP(
 		&checkList,
 		"check",