grep is a domain specific language. Bash and gawk don't have direct in-language support for OOP, but can be used/abused to do things in an oop manner. aka with

grep is a domain specific language. Bash and gawk don't have direct in-language support for OOP, but can be used/abused to do things in an oop manner. aka without in-language support (abstractions/api), takes much more effort to do/understand OOP approach.