replace

type Config struct {
	Path string `cfg:"path"`
	// SkipFiles is the files to skip, use glob pattern.
	SkipFiles []string `cfg:"skip_files"`
	// SkipDirs is the dirs to skip.
	SkipDirs []string  `cfg:"skip_dirs"`
	Contents []Content `cfg:"contents"`
}

type Content struct {

	// Regex is the regex to match the content.
	//  - If regex is not empty, Old will be ignored.
	Regex string `cfg:"regex"`
	// Old is the old content to replace.
	Old string `cfg:"old"`

	New string `cfg:"new"`

	// Value from load name, key value and type is map[string]interface{}
	Value string `cfg:"value"`
	// contains filtered or unexported fields
}