Source : Free On-Line Dictionary of Computing

eyeball search
     
         (Or vgrep) To look for something in a mass of code or
        data with one's own native optical sensors, as opposed to
        using some sort of pattern matching software like {grep} or
        any other automated search tool.
     
        Compare {vdiff}, {desk check}.
     
        [{Jargon File}]
     
        (1997-12-17)