在BCB中将文本文件按行（不考虑空行）加密

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include <fstream>
#include <string>
#include <iostream>
using namespace std;

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
: TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)
{
ifstream in("computer.cfg");
ofstream out("another.cfg");
string filename;
string line;

while (getline (in, line))
{
if("" != line)
{
out << line << endl;
}
}
}
//---------------------------------------------------------------------------