local function read(mask,history,normal,selected)
    local continue = true
    local stopKey = keys.enter
    local backKey = 14

    local W,H = term.getSize()

    local mask = mask or nil
    local history = history or {}
    local normal = normal or colors.black
    local selected = selected or colors.gray

    local cursor = 1
    local str = {}
    local lastLength = 0

    local sX,sY = term.getCursorPos()

    function redraw()
        term.setCursorPos(sX,sY)
        term.write(string.rep(" ",lastLength))
        term.setCursorPos(sX,sY)
        if(#str==0) then
            term.setTextColor(selected)
            term.write("_")
        else
            for k,v in pairs(str) do
                term.setTextColor(normal)
                if(k == cursor) then
                    term.setTextColor(selected)
                end
                term.write(v)
            end
        end
        lastLength = W
    end

    redraw()

    while continue do
        local evt = {os.pullEvent()}
        if(evt[1] == "char") then
            str[#str+1] = evt[2]
            cursor = #str
            redraw()
        elseif(evt[1] == "key") then
            if(evt[2] == backKey) then
                str[cursor] = nil
                cursor = cursor-1
                if(cursor>#str) then cursor = #str end
                if(cursor<1) then cursor = 1 end
                redraw()
            elseif(evt[2] == keys.left) then
                if(cursor > 1) then cursor = cursor-1 end
                redraw()
            elseif(evt[2] == keys.right) then
                if(cursor < #str) then cursor = cursor+1 end
                redraw()
            elseif(evt[2] == keys.enter) then
                continue = false
            end
        end
    end
    return table.concat(str,"")
end