I have this weird problem. I am using java to integrate this C++ program I have. I use java to call the C++ executable. The C++ executable is just a test dummy. This is the source :
int main(int argCount, char * args[]){
int sum = 0;
for(int i = 0; i < argCount; ++i){
sum += convertTo<int>(args);
}
ofstream fileout("result.txt");
cout << "Total Sum = " << sum << endl;
fileout<< "Total Sum = " << sum << endl;
return 0;
}
I am using the following java code to execute it :
Process p = null;
String path = "Program.exe";
String cmds[] = {path,"3","2","1"};
p = Runtime.getRuntime().exec(cmds);
init(p);
doRead();
and from the java output screen I get "Total Sum = 6" and it works fine. The problem is that notice the "fileout" in the C++ executable. The file isn't created and hence the
data isn't stored. I'm not sure how to solve this problem. Any ideas? I understand that java redirect the output stream into its outputstream or something, but I don't think thats exactly the problem, although it might be part of it. Any ideas?
Bumping for help. The problem exist for also reading from file. For example, If I take a filename from the command line argument, and try to open it, I get an error saying cannot open it. The file exist so I know thats not the problem. This is a big issue for me. Please assist me. Thank you.
Sure. The problem was with netbeans. When I used the ProcessBuilder or the Runtime.exec it wasn't using the directory passed to find the file. Instead it was using its default project directory. So I could either set the environment path variable to the correct directory, or just create a copy of a file and add it to the default netbeans project directory. So if I use the ofstream to save data, the data was being saved in my netbeans project directory.
