block_finder

local args = {...}
local scanner = peripheral.wrap("back")
local scan = scanner.scan(tonumber(args[1]))
local result = {}
for _,block in ipairs(scan) do
    if string.find(block.name, args[2]) then
        if result[block.name] == nil then
            result[block.name] = {}
        end

        table.insert(result[block.name], {block.x, block.z, block.y})
    end
end

for k,v in pairs(result) do
    print(k)
    for i, j in ipairs(v) do
        print(j[1], j[2], j[3])
    end
end