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When we search on Google for currency exchange we get a form where we can see the current currency exchange rate. However, I know Google is the best and they have more features like this.
I want to know if we can make a c++ program which will let us know the current currency exchange rate by using Internet connection. Is it possible ?? if yes then please let me know how !!
thanks in advance.
Of course it is, as long as the currency exchange rate data is delivered in a consistent format. Just for example, if we say that the data was formatted using JSON, all you would have to do is parse it and extract the information you need. Depending on the format, you may need an additional library or two to parse it, since some of them are quite hard to implement yourself. It could be in other formats too, such as XML, HTML, SQL database, simple text file, etc...
Relevant StackOverflow: How do I get currency exchange rates via an API such as Google Finance? - Stack Overflow
In terms of C++ libs, I recommend something easy and simple like the cpprestsdk. I only recommend because it is client-focused and is easy to install on both Windows and Ubuntu/Linux.