privacy-guides/how-to-create-encrypted-paper-backup/tests/helpers/restore.exp

#!/usr/bin/expect

spawn qr-restore.sh --images $short_hash.jpg

expect {
  -re {\[sudo\] password for pi:} {
    test_send "$env(password)\r"
  }
}

expect {
  -re {Please type passphrase and press enter} {
    test_send "$passphrase\r"
  }
}

expect {
  -re {Show secret \(y or n\)\?} {
    test_send "y\r"
  }
}

expect {
  -re {Secret:\r\n((.|\r\n)+?)\r\nDone} {
    set restored_secret $expect_out(1,string)
  }
}