rlib.read = function(lmt, start, cvr)
    local col = term.getBackgroundColor()
    local x, y = term.getCursorPos()
    if lmt == nil then
        local xc = term.getCursorPos()
        local x = term.getSize()
        lmt = x - xc
    end
    term.setCursorBlink(true)
    local outstr = {}
    local function Rupdate()
        local x3, y3 = term.getCursorPos()
        paintutils.drawLine(x, y, x+lmt, y, col)
        term.setCursorPos(x+lmt, y)
        for i = 1, lmt do
            term.setCursorPos(x+lmt-i, y)
            if outstr[i] ~= nil then
                if cvr == nil then
                    write(outstr[#outstr-i+1])
                else
                    write(cvr)
                end
            end
        end
        term.setCursorPos(x+lmt, y)
    end
    if start ~= nil then
        for i in string.gmatch(start, ".") do
            table.insert(outstr, i)
        end
        term.setCursorPos(x, y)
        if #outstr < lmt then
            for i = 1, #outstr do
                if cvr == nil then
                    write(outstr[i])
                else
                    write(cvr)
                end
            end
        else
            Rupdate()
        end
    end
    while true do
        if lmt == nil then
            return false
        end
        eve, let = os.pullEvent()
        if eve == "char" then
            outstr[#outstr+1] = let
            if #outstr <= lmt then
                if cvr == nil then
                    write(let)
                else
                    write(cvr)
                end
            else
                Rupdate()
            end
        elseif eve == "key" then
            if let == 14 and outstr ~= {} then
                outstr[#outstr] = nil
                if #outstr <= lmt then
                    paintutils.drawLine(x, y, x+lmt, y, col)
                    term.setCursorPos(x, y)
                    for i = 1, #outstr do
                        if cvr == nil then
                            write(outstr[i])
                        else
                            write(cvr)
                        end
                    end
                else
                    Rupdate()
                end
            elseif let == 28 then
                local restr = ""
                for i = 1, #outstr do
                    restr = restr..outstr[i]
                end
                return restr
            elseif let == 15 then
                local restr = ""
                for i = 1, #outstr do
                    restr = restr..outstr[i]
                end
                return restr, "tab"
            end
        end
    end
    term.setCursorBlink(false)
end