e = regexp.QuoteMeta(e)
		}
		return e
	})
}

// ExtractFiles extracts the files in ar to the state's current directory,
// expanding any environment variables within each name.
//
// The files must reside within the working directory with which the State was
// originally created.
func (s *State) ExtractFiles(ar *txtar.Archive) error {
	wd := s.workdir

	// Add trailing separator to terminate wd.

	ar := txtar.Parse(scriptContent)

	if err := os.MkdirAll(workDir, 0755); err != nil {
		return nil, err
	}

	st, err := s.newState(ctx, workDir)
	if err != nil {
		return nil, err
	}
	if err := st.ExtractFiles(ar); err != nil {
		return nil, err
	}

	scriptName := filepath.Base(scriptPath)
	scriptLog := new(strings.Builder)
	err = s.engine.Execute(st, scriptName, bufio.NewReader(bytes.NewReader(ar.Comment)), scriptLog)

				t.Fatal(err)
			}

			// Unpack archive.
			a, err := txtar.ParseFile(file)
			if err != nil {
				t.Fatal(err)
			}
			telemetryDir := initScriptDirs(t, s)
			if err := s.ExtractFiles(a); err != nil {
				t.Fatal(err)
			}

			t.Log(time.Now().UTC().Format(time.RFC3339))
			work, _ := s.LookupEnv("WORK")
			t.Logf("$WORK=%s", work)