Demonstration how you can build an OR Builder for searching for PhoneNumbers in Search Engines.
Aufruf: echo vorwahl rufnummer | awk -f telor.awk
to start: echo area_code phone_number | awk -f telor.awk
HowTo https://www.youtube.com/watch?v=YaIBDYsTw9M
Licence: Do what you want to do with the code