foremost -c conf -i /dev/sda3 -o /restore
**Get file header**
# hexdump sample.mkv |head -1
0000000 451a a3df 0001 0000 0000 2300 8642 0181
\x1a\x45\xdf\xa3
**Config Examples**
# xml
xml y 500000 \x3c\x3f\x78\x6d\x6c\x20 \x6e\x6f\x74\x65\x73\x3e\x0a