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Added support for USB #1

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41 changes: 36 additions & 5 deletions make-ubuntu-iso.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,11 @@
# make-ubuntu-iso v1.1
# author: walter lapchynski/wxl
# contact: [email protected]

# modified by: sanchitgangwar
# contact: [email protected]
# date: 23 sept 2012

# license: public domain
# born: 21 sept 2012

Expand Down Expand Up @@ -100,17 +105,43 @@ else
exit
fi

# ask for CDROM or USB
echo -n "Press C to burn to CDROM or any other key to burn to USB: "
read burn_option

if [[ "$burn_option" == "c" || "$burn_option" == "C" ]]; then
destination="/dev/cdrom"
else
# ask for the name of the USB device
echo -n "Enter the name of the USB device (e.g. sdb) OR press L/l for list: "
read usb_name

while ! ls "/dev/$usb_name[0-9]" &> /dev/null
do
if [[ "$usb_name" == "L" || "$usb_name" == "l" ]]; then

df -h | awk '
BEGIN { printf("%-10s %7s %7s %7s %5s %s\n", "Filesystem", "Size", "Used", "Avail", "Use%", "Mounted on")}
$1 ~ "/dev/sd[b-z][0-9]?" { printf("%-10s %7s %7s %7s %5s %s\n", $1, $2, $3, $4, $5, $6)}
END { printf("\n") }'
echo -n "USB device (e.g. sdb): "
read usb_name
fi
done
destination="/dev/$usb_name"
fi

# copy the iso to the cd and get its md5sum
sudo dd if="$iso_filename" of=/dev/cdrom
sudo dd if="$iso_filename" of="$destination"
iso_size="$(ls -l | grep -m 1 ${iso_filename} | awk '{print $5}')"
dd_count="$((iso_size / 2048))"
dd_cd="$(sudo dd if=/dev/cdrom bs=2048 count=${dd_count} | md5sum | awk '{print $1}')"
dd_media="$(sudo dd if=\"$destination\" bs=2048 count=${dd_count} | md5sum | awk '{print $1}')"

# compare iso md5sum and cd md5sum
if [ "$iso_md5sum" == "$dd_cd" ];
if [ "$iso_md5sum" == "$dd_media" ];
then
echo "disc passes"
echo "Media passed."
else
echo "disc fails"
echo "Media failed."
exit
fi