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[amibroker] Re: Conditionally changing the Foreign Symbol to be plotted.



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>> MSymbol = WriteIf( MidSym="GM", "^GSPC", "^NDX");
>> I get an error here .....................^
>> something about incorrect type

You need "==" to compare values or strings. "=" is assignment.

GP


--- In amibroker@xxxxxxxxxxxxxxx, "marketmonk777" <RedEyes777@xxx> wrote:
>
> Okay, I am making some good progress. 
> 
> I use the following line to extract a portion of the ATC name
> 
> MidSym = StrMid(Symbol, 1, 2);
> I have it offset by 1 character to remove the ~ (tilde?).
> 
> Now I am stumped in that I can't figure out how to use the WriteIf
> function:
> 
> MSymbol = WriteIf( MidSym="GM", "^GSPC", "^NDX");
> I get an error here .....................^
> something about incorrect type
> 
> MSymbol will be a variable that contains my market index symbol based
> on which ATC code I have currently selected.
> 
> if ATC name is ~NDX005MA
> my MidSym returns ND
> and I want MSymbol to be assigned ^NDX so it will plot the Nasdaq 100
> Index.
> 
> Likewise if MidSym is GM then plot ^GSPC (SP500)
> and if MidSym is RU then plot ^RUT (Russell 2000)
> etc.
> 
> So if some kind soul can give me a hint as how to perform string
> comparison and an if-then coding I would be grateful.
> 
> MM
>



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