Selectively restore files & folders

restore.sh

#!/bin/sh

usage() {
    local script=$(echo "`basename $0`")
    cat <<EOF
$script: Selectively restore files / folders.

Usage: $script [OPTIONS] -- [file / dir names to exclude]

[ -s | --source      ] : source directory
[ -d | --destination ] : destination directory
[ -h | --help        ] : this help message

Example:

restore -s /backups/etc -d /etc -- fstab passwd

EOF
    return 0
}

catch_exits() {
    local script=$(echo "`basename $0`")
    cat <<EOF
$script: Selectively restore files / folders.

Usage: $script [OPTIONS] -- [file / dir names to exclude]

[ -s | --source      ] : source directory
[ -d | --destination ] : destination directory
[ -h | --help        ] : this help message

Example:

restore -s /backups/etc -d /etc -- fstab passwd

EOF
    return 0
}

catch_exits() {
	echo -e "\n$(basename $0): exiting" 1>&2
	exit 1
}

###### start #############
trap catch_exits 1 2 15 20
options=$(getopt -o s:d:hs --long source:,destination:,help -- "$@")

if [ $? -ne 0 ] || ! echo $1 |grep ^"-" 1>/dev/null; then
        usage
        exit 1
fi

eval set -- "$options"

while :; do
        case "$1" in
           -h | --help)    usage && exit 1;;
           -s | --source) src=$2; shift 2;;
           -d | --destination) dest=$2; shift 2;;
	   -- ) exclude_list=$@; exclude_list=${exclude_list#-- *}; shift; break ;;
            *) break;;
        esac
done

if [ ! -d "$dest" ]; then
	mkdir -p $dest
fi

if [ -n "$exclude_list" ]; then
	for x in $exclude_list; do
		ex_str="${ex_str} ! -name \"$x\""
	done
fi

if [ -d "$src" ]; then
	cmd="find "$src" -maxdepth 1 -mindepth 1 "$ex_str" -exec cp -rfp '{}' "$dest" \;"
	eval $cmd
else
	echo "$src does not exist"; exit 1
fi
echo "Files copied from: '$src' to: '$dest' excluding: '$exclude_list'"