added yamltool sort

cmd/yamltool/parse.go

@@ -6,18 +6,8 @@ import (
 
 	"github.com/goccy/go-yaml"
 	"github.com/spf13/cobra"
-
-	"os"
 )
 
-func read(file string) []byte {
-	data, err := os.ReadFile(file)
-	if err != nil {
-		panic(err)
-	}
-	return data
-}
-
 func parse(data []byte) (yaml.MapSlice, error) {
 	var result yaml.MapSlice
 	decoder := yaml.NewDecoder(bytes.NewReader(data),
@@ -31,7 +21,11 @@ func parse(data []byte) (yaml.MapSlice, error) {
 
 func parseFiles(cmd *cobra.Command, args []string) error {
 	for _, arg := range args {
-		_, err := parse(read(arg))
+		data, err := read(arg)
+		if err != nil {
+			return err
+		}
+		_, err = parse(data)
 		if err != nil {
 			fmt.Printf("%s: %v\n", arg, err.Error())
 		}