C# Tutorial For Beginners: Introduction to the Path class
Updated: Jan 19, 2022
The path class resides in the “System.Io” namespace and handles system objects such as folders and files. This article will cover the main methods and properties related to this class with practical examples.
Note: Before running any code, please add a reference to the class (using System.IO;)
Example 1: Creating a new file with a different extension
File before the change:
Code:
class Program
{
static void Main(string[] args)
{
//Step 1: determine the Source File
string FileLocation = "C:\\Example 1\\ExampleFile.docx";
//Step 2: Using file and file path to create new files
//File Without Extension:
File.WriteAllText(Path.ChangeExtension(FileLocation, null), "File 1");
//File with specific Extension:
File.WriteAllText(Path.ChangeExtension(FileLocation, ".doc"), "File 2");
}
}
Result:
Example 2: Getting the file properties
In the following code snippet, I will demonstrate a few examples of how to work with file properties, including:
Getting the root path for the file
Getting the hosting folder
Getting the full path of the file
Getting the file name
Getting the file extension
Getting the full name
class Program
{
static void Main(string[] args)
{
int counter = 1;
//Getting all files on folder
string[] FilesInFolder = Directory.GetFiles("C:\\Example 1");
//Getting the files properties using specific conditions
foreach (var filename in FilesInFolder)
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("File number in folder: {0}\n", counter);
Console.ResetColor();
Console.WriteLine("File Root drive : {0}", Path.GetPathRoot(filename));
Console.WriteLine("File Directory name : {0}", Path.GetDirectoryName(filename));
Console.WriteLine("File full path : {0}", Path.GetFullPath(filename));
Console.WriteLine("Full file name: {0}", Path.GetFileName(filename));
Console.WriteLine("File name : {0,3}", Path.GetFileNameWithoutExtension(filename));
Console.WriteLine("File extension : {0}", Path.GetExtension(filename));
Console.WriteLine();
Console.WriteLine("------------------------------");
Console.WriteLine();
counter++;
}
}
}
Result:
