$ mkdir -p ~/.cpan/prefs
$ cat >~/.cpan/prefs/PDL.yml
---
match:
  distribution: "CHM/PDL-"
pl:
  eexpect:
    mode: anyorder
    timeout: 15
    reuse: 1
    talk:
      - "Do you still wish to continue"
      - "y\n"
<Ctrl-D>
$ cpan Expect YAML
$ cpan PDL