User-agent: *
Disallow: /
Disallow: /*.pdf$
Disallow: /*.doc$
Disallow: /*.txt$
Disallow: /*.jpg$
Disallow: /*.xls$
Disallow: /*.zip$
Disallow: /userfiles/
Disallow: /userfiles/*.pdf$
Disallow: /userfiles/*.doc$
Disallow: /userfiles/*.txt$
Disallow: /userfiles/*.jpg$
Disallow: /userfiles/*.xls$
Disallow: /userfiles/*.zip$