18 lines
514 B
C++
18 lines
514 B
C++
#include <regex>
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#include <fstream>
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using namespace std;
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using ist = istreambuf_iterator<char>;
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using ost = ostreambuf_iterator<char>;
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int main(){
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auto from = "Goodbye London!", to = "Hello New York!";
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for(auto filename : {"a.txt", "b.txt", "c.txt"}) {
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ifstream infile {filename};
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string content {ist {infile}, ist{}};
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infile.close();
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ofstream outfile {filename};
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regex_replace(ost {outfile}, begin(content), end(content), regex {from}, to);
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}
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return 0;
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}
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