Thread: Unable to create file

Why doesn't the following code create a new file

Code:

int main()
{
	std::fstream file;
	file.open("something.bin",std::ios::binary|std::ios::in|std::ios::out);
	if(!outfile)
		std::cout<< "unable to open\n";		
}

The following code:

Code:

file.open("something.bin",std::ios::binary|std::ios::in|std::ios::out);

Will open a file if it exists, it will fail to open the file if it does not exist. You will need to use one of the other std::ios flags to get the file to be created, app, or trunc, depending on how whether you want to keep the data if the file exists, or erase the data.

Jim