tracker

#!/bin/env bash
# Some code copied from https://gist.github.com/cdown/1163649 
urlencode() {

    old_lang=$LANG
    LANG=C

    old_lc_collate=$LC_COLLATE
    LC_COLLATE=C

    # urlencode <string>
    local length="${#1}"
    for (( i = 0; i < length; i++ )); do
        local c="${1:i:1}"
        case $c in
            [a-zA-Z0-9.~_-]) printf %s "$c" ;;
            *) printf '%%%02X' "'$c" ;;
        esac
    done

    LANG=$old_lang
    LC_COLLATE=$old_lc_collate
}
urldecode() {
    # urldecode <string>

    local url_encoded="${1//+/ }"
    printf '%b' "${url_encoded//%/\\x}"
}
urlencodecurl() {
if [[ $# != 1 ]]; then
echo "Usage: $0 string-to-urlencode"
return 1
fi
local data="$(curl -s -o /dev/null -w %{url_effective} --get --data-urlencode "$1" "")"
if [[ $? == 0 ]]; then
echo "${data##/?}"
fi
return 0
}

trackerlistgit=$(curl https://ngosang.github.io/trackerslist/trackers_all_ip.txt https://cdn.staticaly.com/gh/XIU2/TrackersListCollection/master/all.txt)
# This variable doesn't work, 
# trackerencoder=${${"$(urlencodecurl "$trackerlistgit")"//\%0A/\&tr=}//\&tr=\&tr=/\&tr=}
aa="$(urlencodecurl "$trackerlistgit")"
bb="$(sed s'/\%0A/\&tr=/g' <<< "$aa")"
trackerencoder="$(sed s'/\&tr=\&tr=/\\\&tr=/g' <<< "$bb")"
# echo $trackerencoder
sed -i "s/tracker=\".*\"/tracker=\"\&tr=${trackerencoder}\"/g" config