isearch-or-swiper for very large files
isearch-or-swiper for very large files

turns out swiper is very very memory hoggy and slower than
fudge on an ice cold roof. if a file is bigger than 250k,
use isearch instead of swiper.

flipk/pfkutils,flipk/pfkutils,flipk/pfkutils,flipk/pfkutils,flipk/pfkutils,flipk/pfkutils,flipk/pfkutils