Gammon Forum

-- this is the original trigger function

function Main_Trigger (name, line, wildcards)

  a = nil + b   -- deliberate error

end -- function Main_Trigger 


-- make your trigger call this instead ...

function Trigger_Stub (name, line, wildcards)

  ok, err = pcall (Main_Trigger, name, line, wildcards)

  if not ok then
    ColourNote ("white", "red", err)
  end -- if error on function call

end -- function Trigger_Stub

Error number: 0
Event:        Run-time error
Description:  [string "Script file"]:4864: attempt to concatenate field '?' (a nil value)

stack traceback:

	[string "Script file"]:4864: in function 'scan_focus'

	[string "Script file"]:4591: in function <[string "Script file"]:4493>
Called by:    Function/Sub: prompt called by trigger

Reason: processing trigger "Prompt"

test_queue = {
	"slickness",
	"addiction",
	"artery_leftarm",}

test_flag = {}

test_aff = {}
test_flag.slickness = "calamus"
test_aff.slickness = "calamus"
	
function test ()
pri = 100
for aff, cure in pairs (test_aff) do
	for k, a in ipairs (test_queue) do
		if a == aff then
			aux = k
			break
		end --if
	end --for
	if (aux < pri) and (test_flag[aff] == nil) then --if I have already tried to cure the affliction, I don't try again
		pri = aux
		to_cure = aff
	end --if
end --for
Send ("eat "..test_aff[to_cure]) --this is where the error is, I have nothing to cure since the flag for slickness in not nil
end --function

<alias
   script="test"
   match="^test$"
   enabled="y"
   regexp="y"
   send_to="12"
   sequence="100"
  >
  </alias>