2021-08-10 15:59:00 +00:00
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#!/bin/sh
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# Create a disk image containing some (text) data.
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if [ $# -eq 0 ]
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then
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2021-10-10 15:35:59 +00:00
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echo "Fill disk of some capacity (in ~1 MB units) from stdin"
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2021-08-10 15:59:00 +00:00
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echo "usage: image-data capacity"
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exit 1
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fi
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2021-10-10 15:35:59 +00:00
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dd if=/dev/zero of=data.img count=$(($1*2016)) # 32 tracks * 63 sectors/track of 512-byte sectors
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2021-08-10 15:59:00 +00:00
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dd of=data.img conv=notrunc
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