Is it possible to execute another program using C++?

Question

What I'd like to do is have my C++ code open up Mplus (statistical program that I've downloaded on my computer) and run it. Is it possible?

The answer to this is OS dependent. Which OSes are you targeting? — Magnus Hoff
– Magnus Hoff, Commented Apr 14, 2014 at 17:00
Please look at [stackoverflow.com/questions/9550488/…. It explains the same issue. [1]: stackoverflow.com/questions/9550488/… — ptrehan
– ptrehan, Commented Apr 14, 2014 at 17:04
It is always possible that if you try to describe what you are attempting to achieve, someone could recommend a better way of accomplishing your goal. — StephenH
– StephenH, Commented Apr 14, 2014 at 17:07
is it worth it to make a program just for that ? why not just write a shell script ? — Moha the almighty camel
– Moha the almighty camel, Commented Apr 14, 2014 at 17:19

metal · Accepted Answer · 2014-04-14 17:05:01Z

2

You may be able to do what you want with std::system() calls like:

std::system("program -e input_commands.txt"); // Assuming it accepts some sort of command line args
std::system("program < input_commands.txt"); // Assuming it responds to stdin

It depends on the program if this approach will work.

answered Apr 14, 2014 at 17:05

metal

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