chk_remote_file() {
    if [ `ssh ${1} test -e ${2} ; echo \$?` != "0" ]; then
        return 1
    fi
    return 0
}

chk_remote_dir() {
    if [ `ssh ${1} test -d ${2} ; echo \$?` != "0" ]; then
        return 1
    fi
    return 0
}