Check Speedtest Mini script's expiration and update it.

update-speedtest-mini.sh

#!/bin/bash
#
# Check Speedtest Mini script's expiration and update it.
#
# DEPENDS            :apt-get install swfmill html2text
# CRON-MONTHLY       :/usr/local/bin/update-speedtest-mini.sh

##################
################## MOVED TO: https://github.com/szepeviktor/debian-server-tools/blob/master/monitoring/update-speedtest-mini.sh
##################

exit 0

MINI_PATH="/home/viktor/public_dev/server/speed"
MINI_URL="http://c.speedtest.net/mini/mini.zip"

Die() {
    echo "[$(basename "$0")] ERROR: ($*)" >&2
    exit 1
}

Check_expiration() {
    local MODIFY_DATE
    local -i MODIFY_SEC
    local -i MONTH_AGO

    if ! [ -f "${MINI_PATH}/speedtest.swf" ]; then
        Die "Flash file is missing."
    fi

    MODIFY_DATE="$(swfmill swf2xml "${MINI_PATH}/speedtest.swf" 2> /dev/null \
        | grep -o '<xmp:ModifyDate>.*</xmp:ModifyDate>' \
        | html2text -nobs)"
    MODIFY_SEC="$(date --date "$MODIFY_DATE" --utc +%s)"

    # older than a month
    MONTH_AGO="$(date --utc --date="1 month ago" +%s)"
    if [ "$MODIFY_SEC" -lt "$MONTH_AGO" ]; then
        Update_mini
    fi
}

Update_mini() {
    local NAME="$(basename "$MINI_URL")"

    wget -q --limit-rate=10m -O "${MINI_PATH}/${NAME}" "$MINI_URL" || Die "ZIP download"

    if [ -d "${MINI_PATH}/mini" ]; then
        rm -r "${MINI_PATH}/mini" || Die "Failed to remove old files: ./mini"
    fi
    if [ -d "${MINI_PATH}/speedtest" ]; then
        rm -r "${MINI_PATH}/speedtest" || Die "Failed to remove old files: ./speedtest"
    fi

    unzip "${MINI_PATH}/${NAME}" -d "${MINI_PATH}/" || Die "Extraction failed."
    rm "${MINI_PATH}/${NAME}" || Die "ZIP cannot be removed."

    mv "${MINI_PATH}/mini/speedtest.swf" "${MINI_PATH}/" || Die "Flash file cannot be moved in place."
    mv "${MINI_PATH}/mini/speedtest" "${MINI_PATH}/" || Die "Payload files cannot be moved in place."
    mv "${MINI_PATH}/mini/crossdomain.xml" "${MINI_PATH}/" || Die "crossdomain.xml cannot be moved in place."
    mv "${MINI_PATH}/mini/index-php.html" "${MINI_PATH}/index.php" || Die "Index file cannot be moved in place."

    rm -r "${MINI_PATH}/mini" || Die "Failed to remove unnecassary files."
    find "${MINI_PATH}" -type f -exec chmod -x \{\} \; || Die "Failed to turn off execution bit."
}

Check_expiration

Line 28 need to change $EXPIRE to $MODIFY_DATE ???

Yes. Thank you.
Fixed.

Script lives on in my Debian-server-tools repo:
https://github.com/szepeviktor/debian-server-tools/blob/master/monitoring/update-speedtest-mini.sh