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#!/bin/sh
if [ "$(id -u)" != "0" ]; then
echo "You must be root"
exit 1
fi
create_backup() {
directory=$1
filename=$2
mksquashfs $directory $filename
}
restore_backup() {
filename=$1
directory=$2
unsquashfs -f -d $directory $filename
}
print_help() {
printf "usage:\n\t$0 (create|restore)\nexample:\n\t$0 create (folder|directory) (filename)\n\t$0 restore (filename) (folder|directory)\n"
}
case "$1" in
"create")
if [[ "$2" == "" || "$3" == "" ]]; then
print_help
exit 1
fi
create_backup $2 $3
;;
"restore")
if [[ "$2" == "" || "$3" == "" ]]; then
print_help
exit 1
fi
restore_backup $2 $3
;;
*)
print_help
;;
esac