program_11_2.cpp

c++程序设计讲义 cppprograming 含源码

// Program 11.2: Mimics operating system command echo.
// The command-line parameters are displayed to the
// standard output stream (separated by spaces).

#include <iostream>

using namespace std;

int main(int argc, char *argv[]) {
    for (int i=1; i<argc; ++i) {
        // display argv[i]
        cout << argv[i] << " ";
    }
    cout << endl;
    return 0;
}