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Directory Existence Check
How to test if a directory exists on an FTP server. A good way to check to see if a directory already exists is to try to "cd" to that remote directory by calling ChangeRemoteDir. If it succeeds, then the directory exists. If not, then it does not exist. An alternative method is to set the ListPattern = "*" and then iterate over the files/directories, looking for the directory. <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% set ftp = Server.CreateObject("Chilkat.Ftp2") ' Any string unlocks the component for the 1st 30-days. success = ftp.UnlockComponent("Anything for 30-day trial") If (success <> 1) Then Response.Write ftp.LastErrorText & "<br>" End If ftp.Hostname = "ftp.chilkatsoft.com" ftp.Username = "***" ftp.Password = "***" ' Connect and login to the FTP server. success = ftp.Connect() If (success <> 1) Then Response.Write ftp.LastErrorText & "<br>" End If ' Does the "temp" directory exist? dirExists = ftp.ChangeRemoteDir("/temp") If (dirExists = 1) Then Response.Write "Yes, the temp directory exists." & "<br>" ' Yes, it exists. Restore the current remote dir: success = ftp.ChangeRemoteDir("..") If (success <> 1) Then Response.Write ftp.LastErrorText & "<br>" End If End If ' Alternatively, you may set the ListPattern = "*" and ' look for the directory: ftp.ListPattern = "*" n = ftp.NumFilesAndDirs If (n < 0) Then ' Failed to get directory listing based on ListPattern Response.Write ftp.LastErrorText & "<br>" End If foundDir = 0 If (n > 0) Then For i = 0 To n - 1 isDir = ftp.GetIsDirectory(i) If (isDir = 1) Then fname = ftp.GetFilename(i) If (fname = "temp") Then Response.Write "Found temp directory!" & "<br>" foundDir = 1 Exit Do End If End If Next End If If (foundDir <> 1) Then Response.Write "temp directory not found!" & "<br>" End If ftp.Disconnect %> </body> </html> |
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