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How do I get a human-readable file size in bytes abbreviation using C#?
To get the directories C# provides a method Directory.GetDirectories
Directory.GetDirectories returns the names of the subdirectories (including their paths) that match the specified search pattern in the specified directory, and optionally searches subdirectories.
To get the files, C# provides a method Directory.GetFiles
Directory.GetFiles returns the names of all the files (including their paths) that match the specified search pattern, and optionally searches subdirectories
To get the file length , C# provides a property Length
Example
static void Main(string[] args) {
string rootPath = @"C:\Users\Koushik\Desktop\TestFolder";
var files = Directory.GetFiles(rootPath, "*.*", SearchOption.AllDirectories);
foreach (string file in files) {
long size = new FileInfo(file).Length / 1024;
string humanKBSize = string.Format("{0} KB", size);
string humanMBSize = string.Format("{0} MB", size / 1024);
string humanGBSize = string.Format("{0} GB", size / 1024 / 1024);
Console.WriteLine($"KB:{humanKBSize} MB:{humanMBSize} GB:{humanGBSize}");
}
Console.ReadLine();
}Output
file C:\Users\Koushik\Desktop\TestFolder\Topdirectory.txt 22 KB 0 MB 0 GB file C:\Users\Koushik\Desktop\TestFolder\TestFolderMain\TestFolderMain.txt 0 KB 2 MB 0 GB file C:\Users\Koushik\Desktop\TestFolder\TestFolderMain1\TestFolderMain1.txt 0 KB 0 MB 1 GB file C:\Users\Koushik\Desktop\TestFolder\TestFolderMain2\TestFolderMain1.txt 0 KB 0 MB 1 GB file C:\Users\Koushik\Desktop\TestFolder\TestFolderMain2\TestFolderMain2.txt 0 KB 0 MB 1 GB file C:\Users\Koushik\Desktop\TestFolder\TestFolderMain2\TestFolderMainSubDirectory\TestFolderSubDirectory.txt 0 KB 0 MB 1 GB
Updated on: 25-Nov-2020
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