New comment by therealfun on mblaze repository

https://github.com/leahneukirchen/mblaze/pull/201#issuecomment-773339502

Comment:
Maybe because I'm new to mblaze, I think I'll be fine without `magrep` when I search headers. Extracting the headers with `mhdr`, prefixed with the filename (-H), and piping through `|grep | awk'{print $1}'|sort -u`.