User-agent: Googlebot
# disallow all files ending with specific extension

Disallow: /*.php
Disallow: /*.php$

Disallow: /*.js$

Disallow: /*.inc$

Disallow: /*.css$

Disallow: /*.txt$

Disallow: /libs/

Disallow: /css/

User-agent: *

# disallow folder listed

Disallow: /*.php

Disallow: /*.php$

Disallow: /*.js$

Disallow: /*.inc$

Disallow: /*.css$

Disallow: /*.txt$

Disallow: /libs/

Disallow: /css/

User-agent: *
Sitemap: http://www.4nrx.com/sitemap.xml
Disallow: /cgi-bin/