Create a floppy image from some files

mkdosfloppy.sh

#!/bin/bash
set -e
set -x
IMGFILE=$1
CONTENTS=$2

TMPIMG=$(mktemp -u -t XXXXXXXXX.img)


mkfs.fat -D 0 -M 0xF0 -C $TMPIMG 1440
mkfs.msdos $TMPIMG
mcopy -i $TMPIMG $CONTENTS ::/

mv $TMPIMG $IMGFILE