block revision

local w,h = term.getSize()
local function draw()
    term.clear()
    term.setCursorPos(math.floor(w/2) - 11,1)
    print("Welcome to block caller")
    term.setCursorPos(math.floor(w/2) - 6,2)
    print("By AnthonyD98")
    term.setCursorPos(1,4)
    print("Blocks: ")
    print("       - basalt, basalt_cobble, marblebrick")
    print("       - cobblestone, stonebrick, brick, dirt")
    print("       - basaltbrick, sandstone, sand")
end

local blocks = {
    "basalt","basalt_cobble","marblebrick","cobblestone","stonebrick","brick","dirt","basaltbrick","sandstone","sand"
}

local bColor = {
    512,2048,16348,4,16,2,32,8192,4096,8
}

while true do
local cor = 0
draw()
term.setCursorPos(1,10)
write("Please input the block you want >> ")
iBlock = read()
    if iBlock == "exit" then
    term.clear()
    term.setCursorPos(1,1)
    return
end
write("Please input the ammount you want >> ")
number = read()
    if number == "exit" then
        term.clear()
        term.setCursorPos(1,1)
        return
    end
print("Matching input to color")
        for i,v in ipairs(blocks) do
            if iBlock == v then
            local cor = 1
            term.clear()
            term.setCursorPos(1,1)
            print("Block and Color Matched!")
            term.setCursorPos(1,2)
            print("Block = "..iBlock.." and color = "..tostring(bColor[tonumber(i)]))
                for j = 1,number do
                    rs.setBundledOutput("back", bColor[i])
                    sleep(0.500)
                    rs.setBundledOutput("back", 0)
                    sleep(0.500)
                    term.setCursorPos(1,3)
                    term.clearLine()
                    print("Pulse: "..j)
                end
            else
            term.clear()
            term.setCursorPos(1,1)
            print("Matching Block to Cable")
            term.setCursorPos(1,2)
            print("Block = "..tostring(v).." and color = nil")
            sleep(.1)
            end
        end
        if cor == 0 then
        term.clear()
        term.setCursorPos(1,1)
        print("Invalid Block Selection")
        sleep(2)
        end
end