| #!/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 |