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7 lis 2011 · 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)) { string s = String.Empty; while ((s = sr.ReadLine()) != null) { //do minimal amount of work here } }
Are there any ways to ONLY read a specific line of a text file and store the result as a string? Thanks for your responses: The file is KINDA structured. It's got 25 lines of info and then X lines of numbers but line 17 of the first 25 has the value of X.
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.
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.
The following example uses the ReadLines method in a LINQ query that enumerates all directories for files that have a .txt extension, reads each line of the file, and displays the line if it contains the string "Microsoft".
Summary: in this tutorial, you’ll learn various techniques to read text files in C# using File.ReadAllText (), File.ReadAllText Async(), File.ReadAllLines (), File.ReadAllLines Async() method, and FileStream class.
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.
