18 lines
346 B
C++
18 lines
346 B
C++
#include <iostream>
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#include <string>
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using namespace std;
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void greet(const string& person) {
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cout << "Hello, " << person << "!" << endl;
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}
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int main(int argc, char** argv) {
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if(argc >= 2) {
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greet(argv[1]);
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} else {
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cerr << "insufficient args, usage: " << argv[0] << " personNameHere" << endl;
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}
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return 0;
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}
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