This is a people problem, not a technical one. If a company is choosing which candidates to interview using grep, it's very likely the rest of their hiring pro

This is a people problem, not a technical one. If a company is choosing which candidates to interview using grep, it's very likely the rest of their hiring process is similarly broken, and quite possibly other aspects of their corporate culture as well. They're actually doing candidates a favour by giving a clear indicator of how shit they are, much like a candidate who turns up to an interview drunk.