从文件中读取，仅读取文本，直到它到达空白空间

发布于 2024-12-10 05:31:08 字数 421 浏览 1 评论 0原文

我设法成功读取文件中的文本，但它只会读取直到遇到空白区域，例如文本：“嗨，这是一个测试”，cout 为：“嗨，”。

删除“，”没有什么区别。

我想我需要在以下代码中添加类似于“inFil.ignore(1000,'\n');”的内容：

inFil>>text;
inFil.ignore(1000,'\n');
cout<<"The file cointains the following: "<<text<<endl;

我不想更改为 getline(inFil , variabel); 因为这会迫使我重做一个基本上可以工作的程序。

感谢您的帮助，这似乎是一个非常小且容易解决的问题，但我似乎找不到解决方案。

原文

I managed to successfully read the text in a file but it only reads until it hits an empty space, for example the text: "Hi, this is a test", cout's as: "Hi,".

Removing the "," made no difference.

I think I need to add something similar to "inFil.ignore(1000,'\n');" to the following bit of code:

inFil>>text;
inFil.ignore(1000,'\n');
cout<<"The file cointains the following: "<<text<<endl;

I would prefer not to change to getline(inFil, variabel); because that would force me to redo a program that is essentially working.

Thank you for any help, this seems like a very small and easily fixed problem but I cant seem to find a solution.

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饭团 2024-12-17 05:31:08

std::ifstream file("file.txt");
if(!file) throw std::exception("Could not open file.txt for reading!");
std::string line;
//read until the first \n is found, essentially reading line by line unti file ends
while(std::getline(file, line))
{
  //do something line by line
  std::cout << "Line : " << line << "\n";
}

这将帮助您阅读该文件。我不知道你想要实现什么，因为你的代码不完整，但上面的代码通常用于读取 C++ 中的文件。

std::ifstream file("file.txt");
if(!file) throw std::exception("Could not open file.txt for reading!");
std::string line;
//read until the first \n is found, essentially reading line by line unti file ends
while(std::getline(file, line))
{
  //do something line by line
  std::cout << "Line : " << line << "\n";
}

This will help you read the file. I don't know what you are trying to achieve since your code is not complete but the above code is commonly used to read files in c++.

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绿光 2024-12-17 05:31:08

您已经使用格式化提取来提取单个字符串一次：这意味着单个单词。

如果您想要一个包含整个文件内容的字符串：

std::fstream fs("/path/to/file");
std::string all_of_the_file(
   (std::istreambuf_iterator<char>(filestream)),
   std::istreambuf_iterator<char>()
);

You've been using formatted extraction to extract a single string, once: this means a single word.

If you want a string containing the entire file contents:

std::fstream fs("/path/to/file");
std::string all_of_the_file(
   (std::istreambuf_iterator<char>(filestream)),
   std::istreambuf_iterator<char>()
);

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