anchor.diff:      meta = {
         description = "Simple and Efficient Reading/Writing/Modifying of Complete Files";
         license = "perl";
  +      platforms = stdenv.lib.platforms.linux;
       };
     };
   
  
positive.code:     meta = {
        description = "The World-Wide Web library for Perl";
        license = "perl";
      };
    };
  
  
negative.code:     meta = {
        description = "Automated REST Method Dispatching";
        license = "perl";
        platforms = stdenv.lib.platforms.linux;
      };
    };
  
  