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