add a string to the end of each line
:%norm A*
% = for every line
norm = type the following commands
A* = append '*' to the end of current line
OR
:%s/$/\*/g
change case: visual block + U/u
replace | to new line
:%s/|/\r/g
yank whole file
:%y+
view hex
in vi
type
:%!xxd
to view the hex strings, then
:%!xxd -r
to return to normal editing
open file
:e
open file browser
:e .