update-dbip-dbs

#!/usr/bin/env bash
set -e

YR=$(date +%Y)
MTH=$(date +%m)
DSTDIR="${1:-${HOME}/.geoip}"
OLDDIR="${2:-${DSTDIR}/.old}"
BURL="https://download.db-ip.com/free"

mkdir -p "${DSTDIR}" "${OLDDIR}"
cd "${DSTDIR}"

for TP in country city asn; do

    _YR=$YR
    _MTH=$MTH

    while [ 1 ]; do
        URL="${URL:-${BURL}/dbip-${TP}-lite-${_YR}-${_MTH}.mmdb.gz}"
        ZF="$(basename "${URL}")"
        F="${ZF/%.gz/}"
        if [ -f "${F}" ]; then
            echo "Already have '${F}'"
            break
        fi

        LP=0
        set +e
        wget -qO "${ZF}" "${URL}"
        if [ $? -ne 0 ]; then
            echo -n "No '${TP}' database file found for ${_MTH}/${_YR}"
            if [[ "$_MTH" == "01" ]]; then
                _YR=$(( _YR - 1 ))
                _MTH=12
            else
                _MTH=$(( _MTH - 1 ))
            fi
            if [ ${#_MTH} -lt 2 ]; then
                _MTH="0$_MTH"
            fi
            echo ", retrying for ${_MTH}/${_YR}..."
            LP=1
        fi

        set -e
        if [ $LP -eq 1 ]; then continue; fi

        gunzip "${ZF}"
        ls -l "${F}"

        break
    done

    unset URL
    mv "${F}" ".${F}"
    if ls -1 . | grep -qE "dbip-${TP}-lite-.+-.+.mmdb" &>/dev/null; then
        for _OF in ./dbip-${TP}-lite-*-*.mmdb; do
            echo "Archiving '${_OF}' to '${OLDDIR}'"
            mv -f "${_OF}" "${OLDDIR}/"
        done
    fi
    mv ".${F}" "${F}"

done

echo "Done."
exit 0

This downloads the latest DB-IP "lite" databases to ~/.geoip.