yaml files overriden via env

main.go

@@ -72,10 +72,9 @@ func Recursive(ctx context.Context) error {
 		p := path.Join(d, YamlFile)
 		if _, err := os.Stat(p); err != nil {
 		} else if err := func() error {
-			var y Yaml
+			y, err := NewYaml(path.Join(d, YamlFile))
-			b, _ := os.ReadFile(path.Join(d, YamlFile))
+			if err != nil {
-			if err := yaml.Unmarshal(b, &y); err != nil {
+				return err
-				return fmt.Errorf("%s: %w", p, err)
 			}
 
 			was, err := os.Getwd()
@@ -280,3 +279,35 @@ func readDir(d string) ([]fs.DirEntry, error) {
 	}
 	return result, err
 }
+
+func NewYaml(p string) (Yaml, error) {
+	var y Yaml
+	b, _ := os.ReadFile(path.Join(d, YamlFile))
+	if err := yaml.Unmarshal(b, &y); err != nil {
+		return y, fmt.Errorf("%s: %w", p, err)
+	}
+
+	if v := os.Getenv("YAML_C_TITLE"); v != "" {
+		y.C.Title = v
+	}
+	if v := os.Getenv("YAML_C_SEASON"); v != "" {
+		y.C.Season = v
+	}
+	if v := os.Getenv("YAML_C_EPISODE"); v != "" {
+		y.C.Episode = v
+	}
+
+	if v := os.Getenv("YAML_O"); v != "" {
+		y.O = v
+	}
+
+	if v := os.Getenv("YAML_D"); v == "true" {
+		y.D = true
+	}
+
+	if v := os.Getenv("YAML_P"); v != "" {
+		y.P = strings.Split(v, ",")
+	}
+
+	return y, nil
+}