String object to system()

[sudif]

i want to make a c++ program that do something like this
string str;
cin >> str;
str="cat " + str;
int rv=system(str);

is there a way to do it?

[JosAH]

Sure that's possible. Note that the system() function takes a char* instead of
a string; you have to convert your string, that's all.

kind regards,

Jos

[Ganon11]

In order to make the system call happy, just write

system(str.c_str());

instead of

system(str);