OS: POSIX-compliant
shell: sh/bash
terminal: rxvt (does it really matter?)
filesize: i don't know.. from 8 bytes to 8 terabytes
will there always be two "00" pairs: have no idea
do you want three "FF" pair values: no, its just an example
*updated 1st post
**btw, i know how to replace using sed, but i have no clue how to replace before or after some hexstring
---------- Post updated at 03:27 PM ---------- Previous update was at 03:06 PM ----------
i don't think that binary manipulations using hexdump (in this case) are wise:
Quote:
$man hexdump
The hexdump utility is a filter which displays the specified files ...
I understand that in linux everything goes, but let's face it - hexdump wasn't made for that purpose.