scripts/copy_to_usb.sh

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#!/bin/bash
# Script to copy data on usb keys
# dependencies: aptitude install ncurses-bin parted dosfstools
# mlabel is now useless
# text color in bash
normal=$(tput sgr0)
red=$(tput setaf 1)
green=$(tput setaf 2)
# dependencies check
i=0
for arg in "tput" "parted" "mkdosfs"; do
hash "${arg}"
if [[ $? -gt 0 ]]; then
printf "%40s\n" "${red}Error: Could not find \"$arg\" application.${normal}";
i=$((i+1))
fi
done
[[ $i -eq 0 ]] || exit $i
# this part depends of the event
keylabel="CHOCOLAS" # label of the keys
wherethefilesare="/ipr/home.ipr/jegardai/chocolas" # where are the files you need to copy
badkeyid="abcd" # depends of key models (lsusb)
goodkeyid="058f"
# all our usb keys have the same ID, we decided to write only on these keys
keysearchbadid=$(lsusb | grep $badkeyid | wc -l)
keysearchgoodid=$(lsusb | grep $goodkeyid | wc -l)
keysearchid=$(($keysearchbadid+$keysearchgoodid))
mountpath="/mnt/usbkey"
# MD5SUM check
sourcemd5="/tmp/source_directory.md5"
destmd5="/tmp/destination_directory.md5"
case $keysearchid in
0)
printf "%40s\n" "${red}Alert: No usb key detected.${normal}"
exit 1
;;
1|2) # we only have 1 or 2 usb ports
printf "%40s\n" "${green}At least one key detected: Here we go${normal}"
# number of device (except sda)
nbsd=$(ls /dev/sd* | grep -v sda | grep -v 1 | grep -v 2 | grep -v 3 | wc -l)
# if $(lsusb) and $(ls /dev/sd*) doesn't give the same number
if [[ $keysearchid != $nbsd ]]; then
printf "%40s\n" "${red}Alert: Error 1${normal} Keysearchid: ${keysearchid} and Numberofdevice: ${nbsd}"
exit 1
else # if everything is ok
# Generate the md5sum for source directory
pushd "${wherethefilesare}"
find . -type f -exec md5sum {} \; | sort > "${sourcemd5}"
popd
for i in $(seq 1 $keysearchid) # from 1 to $keysearchid by step of 1
# if $keysearchid=1: for i in 1
# if $keysearchid=2: for i in 1 2
do
[[ $i == 1 ]] && device="sdb" || device="sdc" # if 3 or more keys this line has to be adapt
parted -s /dev/"${device}" mklabel msdos
parted /dev/"${device}" mkpart -a optimal primary fat32 0% 100%
mkdosfs -F 32 -I -n $keylabel /dev/"${device}"1
# fatlabel /dev/${device}1 $keylabel # Cette commande est remplacée par loption -n de la commande précédente
mkdir "${mountpath}""${device}"
mount /dev/"${device}"1 "${mountpath}""${device}"
cp -r $wherethefilesare/* "${mountpath}""${device}"/
sync
# Generate the md5sum for the mountpoint
pushd "${mountpath}""${device}"
find . -type f -exec md5sum {} \; | sort > "${destmd5}"
popd
# Umount the key
umount "${mountpath}""${device}"
rmdir "${mountpath}""${device}"
# Compare the md5sum
diff -q "${sourcemd5}" "${destmd5}"
if [[ $? -gt 0 ]]; then
printf "%40s\n" "${red}Error: MD5 diff detected.${normal}";
exit 2
else
printf "%40s\n" "${green}MD5 check OK for ${device}.${normal}"
fi
done
printf "%40s\n" "${green}DONE${normal}"
fi ;;
*)
printf "%40s\n" "${red}Alert: Error in the number of usb key detected.${normal}"
exit 3
;;
esac
exit 0