pulse?

local tArgs = {...}
local tSides = rs.getSides() -- this gest a list of the sides front back left right top bottom and and puts it in a table
local tSorted = {} -- this will store a list to compair against latter
for i = 1,#tSides do -- this will loop ounce for eatch of items in tSides this should be 6
    tSorted[tSides[i]] = "" -- use the strings from from tSdies as elemsnts in the table.
end
local function pulse(sSide,sColour,nRepeat) -- decalre pulse function
    for i = 1,nRepeat do -- start loop it will run for the number stored in nRepeat
            sleep(0.3) -- pause bstween redstone change
            rs.setBundledOutput(sSide,colors[sColour]) -- turn on the color
            sleep(0.3) -- pause bstween redstone change
            rs.setBundledOutput(sSide,0) -- turn off the color
    end
end
if #tArgs == 3 then -- check for three input values from user
    if tSorted[tArgs[1]] then -- test if the string given by the user is a elemsnt in this table. it will be true if et exists
            if colors[tArgs[2]] then -- test if it is realy a color
                    local nLoop = tonumber(tArgs[3]) -- change the string to number if it cant it will be nill
                    if nLoop then
                            print("pulsing "..tArgs[1].." side "..tArgs[2].." "..tostring(nLoop).." times.")
                            pulse(tArgs[1],tArgs[2],nLoop)
                    else
                            print("not a number")
                            print("usage pulse <side> <color> <loops> ")
                    end
            else -- if not color then tell then
                    print("not a color")
                    print("usage pulse <side> <color> <loops> ")
            end
    else -- if the user given srring is not one of the sides top bottom left right front back tell them
            print("not a side")
            print("usage pulse <side> <color> <loops> ") -- tell the user how to use program
    end
else -- if not three input values then
    print("usage pulse <side> <color> <loops> ") -- tell the user how to use program
end