Any suggestions how to detect file?

Question

1.00/5 (1 vote)

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abc = "label_me_red.ico.deploy" is string from StreamReader.ReadLine()

if(File.Exists("label_me_red.ico.deploy"))
{
   // File
}
else
{
// Folder
}

Problem is Its not detecting as File, its going to else condition and displaying as directory.

Posted 18-Apr-13 5:19am

Friendsaa

Updated 18-Apr-13 5:24am

DinoRondelly

v2

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Comments

joshrduncan2012 18-Apr-13 11:20am

The way you have it declared the file should be located in the project. If your file is not in the project folder, you should have the full path to it in the File.Exists call.

Friendsaa 18-Apr-13 11:51am

Thanks, U got me Correctly, when the files are in project, its working.

But i dont want to keep files in my project, so where should i specify full path?

File.Exists(Fullpath)

like this?

joshrduncan2012 18-Apr-13 11:52am

Yep, that should take care of finding the file for you that you are looking for.

Friendsaa 18-Apr-13 14:47pm

Even though i mention the full path, Its not reading it as file :(

joshrduncan2012 18-Apr-13 14:50pm

That means there is something wrong with your path name. Please provide your code as to where you are checking for the file and where your file is located.

Friendsaa 18-Apr-13 15:06pm

FtpWebRequest ftp = (FtpWebRequest)FtpWebRequest.Create("ftp://me@localhost/" + ab);
//ab=newfolder/newfolder1
ftp.Credentials = new NetworkCredential(user, pass);
ftp.Method = WebRequestMethods.Ftp.ListDirectory;
StreamReader sr = new StreamReader(ftp.GetResponse().GetResponseStream());
StringBuilder result = new StringBuilder();
string abc = sr.ReadLine();
while (abc != null)
{
result.Append(abc); //abc=file
result.Append("\n");

if (File.Exists(ab+abc))
{

//file
}

}

joshrduncan2012 18-Apr-13 15:10pm

I could be wrong, but I doubt File.Exists can handle FTP request searches. I think this API is designed for looking for a file on the local system.

Friendsaa 18-Apr-13 15:14pm

what do you mean its not work if it is ftp?

joshrduncan2012 18-Apr-13 15:17pm

I was wrong. I've never used File.Exists with FTP. Try following the outline in this document.

http://stackoverflow.com/questions/347897/how-to-check-if-file-exists-on-ftp-before-ftpwebrequest

ZurdoDev 18-Apr-13 11:21am

First off, make sure the path does actually exist. Second, make sure permissions are correct.

Prasad Khandekar 18-Apr-13 11:22am

As per your code the file label_me_red.ico.deploy needs to be present in your applications folder. Otherwise try specifying the absolute path.

Friendsaa 18-Apr-13 11:52am

When it is applications folder its working fine, But i dont want it on applications folder

how do i specify absolute path File.Exists(Fullpath) like this?

Prasad Khandekar 18-Apr-13 15:38pm

Yes it should be full path e.g. E:\MYDATA\UPFILES\somefile.txt. Please read the solution by Sergey Sir as well.

vijay__p 18-Apr-13 11:28am

Try using
File.Exists(Server.MapPath("~/label_me_red.ico.deploy"))

Friendsaa 18-Apr-13 14:48pm

What do u mean by Server.MapPath?

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Sergey Alexandrovich Kryukov · Accepted Answer · 2013-04-18T05:26:00

It simply means that the file does not exist.

By the way, you should understand this: such naming of a file suggests that it is located in the working directory. This directory can be an executable file directory, but it can be absolutely anything. Do you know that to working directory totally depends on how the user starts the application and can be anywhere, unless your program modifies it.

Please see my past answer for comprehensive information on directories:
How to find my programs directory ( executable directory),
How to find my programs directory (current directory, "special folders").

There are no situations where a hard-coded file path can be useful.

—SA

Friendsaa · Accepted Answer · 2013-04-28T04:09:00

Solution 2

if(File.contains(".")
{
//file.
}

Posted 28-Apr-13 4:09am