Join Testing

idx = 1
input={"comfy"}
output={}

function join(src,dest)
    if src == dest then
        local temp = {}
        join(src,temp)
        join(temp,dest)
    else
        for k,v in pairs(src) do
            -- print("src entry:",k,v)
            -- if #dest > 0 then print("dest@len:", #dest,dest[#dest]) end
            dest[#dest+1] = v
            -- print("dest@new len:", #dest,dest[#dest])
            -- os.sleep(5)
        end
    end
end

print("input:\n",textutils.serialize(input),"\n")
print("output:\n",textutils.serialize(output),"\n")
print("joining...")
join(input, output)
print("output:\n",textutils.serialize(output),"\n")


temp={}
join(output,temp)
print("temp:\n",textutils.serialize(temp),"\n")
print("joining temp to output...")
join(temp,output)
print("output:\n",textutils.serialize(output),"\n")

-- with recursion, we ca concatenate a table to itself without infinite looping
print("joining output to output...")
join(output,output)
print("output:\n",textutils.serialize(output),"\n")

emptyTest={}
emptyTest2={}

print("emptyTest:\n",textutils.serialize(emptyTest),"\n")
print("emptyTest2:\n",textutils.serialize(emptyTest2),"\n")

join(emptyTest2,emptyTest)
print("ET after join w/ET2:\n",textutils.serialize(emptyTest),"\n")
join(emptyTest,emptyTest)
print("ET after self-join:\n",textutils.serialize(emptyTest),"\n")