【筆記】C++風格的文本讀入與輸出

參考：http://www.cplusplus.com/doc/tutorial/files/

我簡單DIY的文本輸出函數：

#include <fstream>
#include <iostream>
using namespace std;
bool outText(char* path, char* line)
{
  ofstream f;
  f.open(path,ios::out|ios::app);
  if(f.is_open())
  {
    f<<line<<std::endl;
    f.close();
    return true;
  }
  return false;
}

int main()
{
  outText("out.txt",Form("%10s %10s %10s",">0.5 MeV",">0.7 MeV",">1.0 MeV"));
  outText("out.txt",Form("%10d %10d %10d",5,7,0));

return 0;
}

輸出的 out.txt 文件內容爲：

  >0.5 MeV   >0.7 MeV   >1.0 MeV
         1          2          3