void display_dir(const char* path, ofstream& file, bool print)
{
	struct dirent **contents;
	char cwd[256];
	unsigned int num_entries = 0;
	if ((string)path == "")
		num_entries = scandir(getcwd(cwd,sizeof(cwd)), &contents,NULL,alphasort);
	else
		num_entries = scandir(path,&contents,NULL,alphasort);
	if(num_entries == -1 )
	{
		if(print)
			file<<"ERROR: myshell: "<<path<<" does not exist."<<endl;
		else
			cout<<"ERROR: myshell: "<<path<<"does not exist."<<endl;
		return;
	}
	if(print)
	{
		for(int i = 0; i <num_entries; i++)
		{
			if(contents[i]->d_name[0] != '.')
				file<<contents[i]->d_name<<"  ";
		}
		file<<endl;
	}
	else
	{
		for(int i = 0; i<num_entries; i++)
		{
			if(contents[i]->d_name[0] != '.')
				cout<<contents[i]->d_name<<"  ";
		}
		cout<<endl;
	}
}