cliedit

var RootCmd = &cobra.Command{
	Use:    "edit [file]",
	Short:  "Terminal text editor",
	Long:   "Small terminal text editor (Ctrl+S save, Ctrl+Q quit). In the browser shell it edits in a real text area.",
	Hidden: true,
	Args:   cobra.MaximumNArgs(1),
	Run: func(_ *cobra.Command, args []string) {
		filename := "untitled"
		var content string
		if len(args) == 1 {
			filename = args[0]
			data, err := os.ReadFile(filename)
			if err != nil && !os.IsNotExist(err) {
				cmdutil.Eprintf("edit: %v\n", err)
				cmdutil.Exit(1)
			}
			content = string(data)
		}
		if err := run(filename, content); err != nil {
			cmdutil.Eprintf("edit: %v\n", err)
			cmdutil.Exit(1)
		}
	},
}