[amibroker] Circular issue with duplicate buy signals

["Esteban" <EstebanUno@xxxxxxxxx>]

I have a buy condition and a sell condition. The sell condition is 
dependent on how long ago the buy was, among other things. Example:

Buy=buyCondition;
barsAgo= barsSince(Buy)>1;
Sell = sellCondition and barsAgo;

The problem is if a new duplicate buy signal occurs when a long 
position is already held. I want the barsAgo variable to reference 
the first actual signal in the series, and not show true just because 
the previous bar had the same conditions as the actual original buy 
signal.

When I use exRem(Buy,Sell) to remove extra bars, it gives me a Sell 
variable not initialized error, unless I place it after the Sell 
statement, but that has the effect of evaluating the subsequent buys 
for the barsAgo statement. Am I clear with my question?

// I get initialized error.
Buy=buyCondition;
barsAgo= barsSince(Buy)>1;
exRem(Buy,Sell);
Sell = sellCondition and barsAgo;

// All buys are evaluated for barsAgo, not just the original one.
Buy=buyCondition;
barsAgo= barsSince(Buy)>1;
Sell = sellCondition and barsAgo;
exRem(Buy,Sell);

I've been going around in circles on this one for a while. Maybe 
someone can help.


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