Unifi-FirmwareReleaseDateScraper.sh

#!/bin/bash

function sortpercent {
    cat | sort | uniq -c | sort -rn | awk '{s+=$1;lines=lines"\n"$0} END {printf "%d Total",s;print lines}' | awk '!max{max=$1}{s=$1/max*100;c=$1;$1="";printf "%30s %10d %7.2f%%\n",$0,c,s;}'
}

tempDatesFile=$(mktemp)
while read -r item; do
    curl -s -X $'GET' \
        -H $'Host: www.ui.com' -H $'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0' -H $'Accept: application/json, text/javascript, */*; q=0.01' -H $'Accept-Language: en-US,en;q=0.7,ko-KR;q=0.3' -H $'X-Requested-With: XMLHttpRequest' -H $'Referer: https://www.ui.com/download/unifi/unifi-ap' -H $'Sec-Fetch-Dest: empty' -H $'Sec-Fetch-Mode: cors' -H $'Sec-Fetch-Site: same-origin' -H $'Te: trailers' \
        'https://www.ui.com/download/?group='${item} | jq '.downloads[].date_published' | cut -d '"' -f2
done < <(curl -s https://www.ui.com/download/unifi/unifi-ap/ | grep 'downloadMenu' | grep -oP '(?<=\<a href=\"\#)[a-z\-]{1,}(?=\")') | tee "${tempDatesFile}"

while read -r year; do
    echo "Unifi firmware release days in $year"
    while read -r d; do
        date +%A -d"${d}" 2> /dev/null
    done < <(cat "${tempDatesFile}" | grep "$year") | sortpercent
    echo -e "---"
done < <(cat "${tempDatesFile}" | cut -d '-' -f1 | sort -uV | grep -P "[0-9]{4}")