list lookfor=[
	"object a", "object b", "object c"
		];


default
{
	state_entry()
	{
		//llSay(0, "Hello, Avatar!");
	}
	touch_start(integer total_number)
	{
		llSensor("","",ACTIVE|PASSIVE,92.0,PI);
	}

	no_sensor()
	{
		llOwnerSay("didn't find anything");
	}

	sensor(integer total_number)
	{
		list detected;
		integer i;
		integer max;
		string s;
		while(i<total_number){
			 s = llToLower(llStringTrim(llDetectedName(i),STRING_TRIM));
			if(~llListFindList(lookfor,[s])){
				detected =[s]+detected;
			}
			i++;
		}
		if(detected ==[]){
			llOwnerSay("didn't find anything");
		}
		else{
			llOwnerSay("Found "+llList2CSV(detected));
			max = llGetListLength(lookfor);
			i=0;
			while(i<max){
				s = llList2String(lookfor,i);
				if(!~llListFindList(detected,[s])){
					llOwnerSay("didn't find "+s);
				}
				i++;
			}
		}
	}
}