main.cpp
1 #include <iostream> 2 #include <string> 3 4 using namespace std; 5 6 string & replace_all ( string & str, const string & old_value, const string & new_value ) { 7 while ( true ) { 8 string::size_type pos ( 0 ); 9 if ( ( pos = str.find ( old_value ) ) != string::npos ) 10 str.replace ( pos, old_value.length(), new_value ); 11 else 12 break; 13 } 14 return str; 15 } 16 17 int main ( int argc, char* argv[] ) { 18 string s1 = argv[1]; 19 string s2 = argv[2]; 20 string s3 = argv[3]; 21 cout << replace_all ( s3, s1, s2 ) << endl; 22 return 0; 23 }
