vikerian

urlencode() {
    # urlencode <string>

    local length="${#1}"
    for (( i = 0; i < length; i++ )); do
        local c="${1:i:1}"
        case $c in
            [a-zA-Z0-9~_-]) printf "$c" ;;
            [.]) printf "%s" "%2e" ;;
            *) printf '%s' "$c" | xxd -p -c1 |