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#include <iostream>
#include <fstream>
void firstRow(const char* fileName) {
std::ifstream inFile(fileName);
if (!inFile.is_open()) {
throw "Couldn't open file!";
}
while (!inFile.eof() && inFile.peek() != '\n') {
inFile.get();
}
if (inFile.eof()) {
inFile.seekg(0, std::ios::end);
unsigned len = inFile.tellg();
inFile.close();
throw len;
}
inFile.seekg(0, std::ios::beg);
while (inFile.peek() != '\n') {
std::cout << inFile.get();
}
inFile.close();
}
int main() {
char buffer[1024];
while (true) {
try {
std::cin.getline(buffer, 1024);
firstRow(buffer);
}
catch (const char* couldntOpen) {
std::cout << couldntOpen;
}
catch (unsigned fileSize) {
std::cout << "In " << fileSize << " characters, there is now newline!" << std::endl;
continue;
}
break;
}
}
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