#include <iostream.h>
#include <fstream.h>
#include <stdlib.h>

void main ()
{
	fstream file;
	file.open("abc.txt",ios::in);
	if (!file)
	{
		cout <<"abc.txt can't open"<<endl;
		abort();
	}
	char ch;
	int i=0;
	while (!file.eof())
	{
		file.get(ch);
		i++;
	}
	cout <<"文件的字符數是:"<<i<<endl;
	file.close();
}