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7 lis 2011 · While File.ReadAllLines() is one of the simplest ways to read a file, it is also one of the slowest. If you're just wanting to read lines in a file without doing much, according to these benchmarks, the fastest way to read a file is the age old method of: using (StreamReader sr = File.OpenText(fileName)) {.
25 maj 2023 · There are two simple ways to read a text file line by line: File.ReadLines (): Reads small chunks of the file into memory (buffering) and gives you one line at a time. This is a memory-efficient way to read a file line by line. File.ReadAllLines (): Reads the entire file into a string array (one string per line in the file).
11 lis 2021 · The recommended solution to read a file line by line is to use the File.ReadLines() method, which optionally takes a specific character encoding. The following code example demonstrates its usage to read the lines of a file.
10 maj 2024 · The following examples show how to read text synchronously and asynchronously from a text file using .NET for desktop apps. In both examples, when you create the instance of the StreamReader class, you provide the relative or absolute path to the file.
24 lip 2024 · By utilizing classes like StreamReader and methods like File.ReadAllLines, you can easily read text files with minimal memory overhead and maximum efficiency. Start implementing these best practices in your C# projects to enhance file reading operations and improve overall application performance.
19 gru 2023 · Here’s the new code: IEnumerable<string> fileContents = File.ReadLines ("C:\\files\\example.txt"); var index = 1; foreach (string line in fileContents) { Console.WriteLine ($"Line # {index}: "); Console.WriteLine (line); Console.WriteLine (); } If you run the code, you’ll see that the result is exactly the same.
24 wrz 2023 · How to Read a Text File With the ReadAllText Method. In this method, we invoke the File.ReadAllText () method with our sample file path as the argument. With this concise method, we can directly read all the lines in our file and return them as a single string.
