[amibroker] Need a shorter method ?

["kk2628" <kk2628@xxxxxxxxxxxxxxxx>]

Hi,
 
I want to make sure all the previous 20 
bars close are above a 10-day MA, currently I am using a lengthy method to 
code AFL and I appreciate if someone can share with me the shorter way to 
code.
 
Lengthy way
10ma=ma(10,C);
aboveMA = ref(C,-1)>10ma and ref(C,-2)>10ma 
and ref(C,-3)>10ma................
 
Thanks
KK 


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