using elsystem;   
using elsystem.collections;   
using elsystem.io;  
using tsdata.common; 
using tsdata.marketdata; 
using tsdata.trading;  
   
inputs:   
price(close),   
length(9),   
string iprimarydirectory("c:\tslogs\"),  
string symtic("clm19"),  
string indnam("sma crossovers");   
   
variables:   
sma(0),  
streamwriter sw(null);   
  
//	pass in a string containing line to be written to the file	     
method void recordevent(string msg)     
variables:     
string filepath;     
begin     
	//	create file name, including a directory based upon the symbol     
	//     
	//	note:   symbol should not contain characters that are not valid in file names     
	//			indicator name should not contain invalid characters for a file name     
	//			add whatever other parameters desired	     
	filepath = string.format("{0}\{1}_{2}_{3:yyyymmddhhmmss}.log",     
		iprimarydirectory,     
		symtic,    
		indnam,     
		datetime.now); 
		     
	print(filepath); 
	sw = streamwriter.create(filepath);  
	sw.autoflush = true;    
	sw.writeline(msg);      
	sw.close();     
end;     
  
  
sma  = average (price, length);  
  
  
plot1 ( sma, "sma alert logs" );  
  
  
if price[0] > sma[0] and price[1] < sma[1] and lastbaronchart and barstatus( 1 ) = 2 then begin  
recordevent(" uptrend has started ");    
end;  
  
if price[0] < sma[0] and price[1] > sma[1] and lastbaronchart and barstatus( 1 ) = 2 then begin  
recordevent(" downtrend has started ");   
end;