EX4 Check - Use MQL4 or MQL5 library?

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Hi Coders!

I have an .ex4 file (Expert Advisor). How can I decide it use MQL4 or MQL5 library?

Thank you in advance.

Relative

 

.ex4 = MT4

.ex5 = MT5

 

The Build 600+ Expert Advisor use MQL5 library too, doesn't it?

Anyway, I would like to check the .ex4 - it is Build 600+ or not.

 
Nobody knows how can check, it is Build 600+ or not?
 
Relative:

The Build 600+ Expert Advisor use MQL5 library too, doesn't it?

No.

Anyway, I would like to check the .ex4 - it is Build 600+ or not.

Try it.
 
angevoyageur:
No.Try it.
How can I try it? The latest build MetaTrader can run the 600+ .ex4 files and the earlier build number versions too.
 
Relative:
How can I try it? The latest build MetaTrader can run the 600+ .ex4 files and the earlier build number versions too.
So what is your problem ?
 
angevoyageur:
So what is your problem ?
I have an .ex4 file. I would like to know, it is a build 600+ or an earlier version (Build 509) of Expert Advisor.
 
Relative:
I have an .ex4 file. I would like to know, it is a build 600+ or an earlier version (Build 509) of Expert Advisor.
I understood that. The question is why ?
 
angevoyageur:
I understood that. The question is why ?
I would like to organize my programs.
 
Relative:
I would like to organize my programs.

Open your .ex4 with an editor. You can see the Copyright xxx on the first line if it's compiled with build <=509.

Also it seems build <=509 start with "EX4", build >=600 with "EX-".

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