ComponentPro UltimateFtp

      FileExists(String, SearchCondition) Method

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      Determines whether at least one file found that matches the specified search condition in the specified directory.

      Syntax

      public virtual bool FileExists(
         string directoryPath, 
         SearchCondition searchCondition
      )

      Parameters

      directoryPath
      The path of the directory containing files to check.
      searchCondition
      The search conditions to match against the files, or a null reference to search for all files.

      Return Value

      true if the caller has the required permissions and the directory contains at least one file that matches the specified search condition; otherwise, false.

      Examples

      FTP Examples

      In this example the FileExists is used to check if any files with TXT extension exist in the root folder "/":

      using System;
      using ComponentPro.Net;
      
      ...
      
      // Create a new Ftp instance. 
      using (Ftp ftp = new Ftp())
      {
          // Connect to the FTP server. 
          ftp.Connect("myserver");
      
          // Authenticate. 
          ftp.Authenticate("userName", "password");
      
          // ... 
       
          // Determine whether any files with TXT extension exist in "/". 
          // If no files found, upload from "C:\temp" local folder. 
          if (!ftp.FileExists("/", "*.txt"))
              ftp.Upload(@"C:\temp\*.txt", "/");
      
          // ...
      }

      SFTP Examples

      In this example the FileExists is used to check if any files with TXT extension exist in the root folder "/":

      using System;
      using ComponentPro.Net;
      
      ...
      
      // Create a new Sftp instance. 
      using (Sftp ftp = new Sftp())
      {
          // Connect to the SFTP server. 
          ftp.Connect("myserver");
      
          // Authenticate. 
          ftp.Authenticate("userName", "password");
      
          // ... 
       
          // Determine whether any files with TXT extension exist in "/". 
          // If no files found, upload from "C:\temp" local folder. 
          if (!ftp.FileExists("/", "*.txt"))
              ftp.Upload(@"C:\temp\*.txt", "/");
      
          // ...
      }

      ZIP Examples

      In this example the FileExists is used to check if any files with TXT extension exist in the root folder "/":

      using ComponentPro.Compression;
      
      ...
      
      // Create a new ZIP instance. 
      using (Zip zip = new Zip())
      {
          // Open an existing archive. 
          zip.Open("test.zip");
      
          // ... 
       
          // Check if any .TXT files exist. If no files found, add TXT files from "C:\temp" 
          if (!zip.FileExists("/", "*.txt"))
              zip.AddFiles("C:\\temp\\*.txt", true);
      
          // ...
      }

      Framework

      .NET Compact Framework.NET Compact Framework

      Supported version: 2.0, 3.5, and 3.9
      Assembly: ComponentPro.FileSystem.CF (in ComponentPro.FileSystem.CF.dll)

      .NET Framework.NET Framework

      Supported version: 2.0, 3.0, 3.5, 4.0, 4.5.x, 4.6.x and later
      Assembly: ComponentPro.FileSystem (in ComponentPro.FileSystem.dll)

      Portable Class Library for Windows Phone 8.1 and Windows 8.1 Store AppsPortable Class Library for Windows Phone 8.1 and Windows 8.1 Store Apps

      Supported version: 4.6.x and later
      Assembly: ComponentPro.FileSystem.WinPcl (in ComponentPro.FileSystem.WinPcl.dll)

      Universal Windows Platform (includes Windows 10 Mobile, Windows 10 Store Apps and Windows 10 IoT)Universal Windows Platform (includes Windows 10 Mobile, Windows 10 Store Apps and Windows 10 IoT)

      Supported version: 4.6.x and later
      Assembly: ComponentPro.FileSystem.Uwp (in ComponentPro.FileSystem.Uwp.dll)

      Xamarin AndroidXamarin Android

      Supported version: 2.3 and later
      Assembly: ComponentPro.FileSystem.Android (in ComponentPro.FileSystem.Android.dll)

      Xamarin MacXamarin Mac

      Supported version: 2.0.x and later
      Assembly: ComponentPro.FileSystem.Mac (in ComponentPro.FileSystem.Mac.dll)

      Xamarin iOSXamarin iOS

      Supported version: 5.1.x and later
      Assembly: ComponentPro.FileSystem.iOS (in ComponentPro.FileSystem.iOS.dll)

      See Also