#!/bin/bash | |
set -e | |
if [ "$#" -ne 3 ]; then | |
echo "$0 src.img head.img tail.img" >&2 | |
exit 1 | |
fi | |
srcimg=$1 | |
headimg=$2 | |
tailimg=$3 | |
disksize=$(stat -c %s $srcimg) | |
mycount=`expr $disksize \/ 1024 \/ 1024 - 1` | |
dd if=$srcimg of=$headimg ibs=1M obs=1M count=1 | |
dd if=$srcimg of=$tailimg ibs=1M obs=1M count=1 skip=$mycount | |
#dd if=/dev/zero of=file.txt count=3083 bs=1M |