Added the parse option to yamltool because it gives much better error messages than yuamllint and yq.

cmd/yamltool/parse.go

@@ -2,7 +2,11 @@ package main
 
 import (
 	"bytes"
+	"fmt"
+
 	"github.com/goccy/go-yaml"
+	"github.com/spf13/cobra"
+
 	"os"
 )
 
@@ -24,3 +28,13 @@ func parse(data []byte) (yaml.MapSlice, error) {
 	}
 	return result, nil
 }
+
+func parseFiles(cmd *cobra.Command, args []string) error {
+	for _, arg := range args {
+		_, err := parse(read(arg))
+		if err != nil {
+			fmt.Printf("%s: %v\n", arg, err.Error())
+		}
+	}
+	return nil
+}