(Objective-C) Get FTP Directory Listing Information

Objective-C example showing how to get information about files and subdirectories in the current remote FTP directory.

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#import <CkoFtp2.h>

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

CkoFtp2 *ftp = [[CkoFtp2 alloc] init];

ftp.Hostname = @"ftp.example.com";
ftp.Username = @"login";
ftp.Password = @"password";

// Connect and login to the FTP server.
BOOL success = [ftp Connect];
if (success != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

// The ListPattern property is our directory listing filter.
// The default value is "*", which includes everything.
NSLog(@"%@",ftp.ListPattern);

// To get file and sub-directory information, simply
// loop from 0 to ftp.GetDirCount() - 1
int i;
int n;
n = [[ftp GetDirCount] intValue];
if (n < 0) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

if (n > 0) {
    for (i = 0; i <= n - 1; i++) {

        // Display the filename
        NSLog(@"%@",[ftp GetFilename: [NSNumber numberWithInt: i]]);

        // Display the file size (in bytes)
        NSLog(@"%d",[[ftp GetSize: [NSNumber numberWithInt: i]] intValue]);

        // Is this a sub-directory?
        if ([ftp GetIsDirectory: [NSNumber numberWithInt: i]] == YES) {
            NSLog(@"%@",@".. this is a sub-directory");
        }

        NSLog(@"%@",@"--");
    }

}

NSLog(@"%@",@"-----------------------------------");

// Only files and directories
// matching the ListPattern are returned.
ftp.ListPattern = @"*.asp";
n = [[ftp GetDirCount] intValue];
if (n < 0) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

if (n > 0) {
    for (i = 0; i <= n - 1; i++) {

        // Display the filename
        NSLog(@"%@",[ftp GetFilename: [NSNumber numberWithInt: i]]);

        // Display the file size (in bytes)
        NSLog(@"%d",[[ftp GetSize: [NSNumber numberWithInt: i]] intValue]);

        NSLog(@"%@",@"--");
    }

}

success = [ftp Disconnect];