(Objective-C) Get Last Modified Date/Time of Files in a Remote Directory

Gets the last-modified date/times of files in a remote FTP directory.

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#import <CkoFtp2.h>
#import <CkoDateTime.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 = @"myLogin";
ftp.Password = @"myPassword";
// Use explicit TLS
ftp.AuthTls = YES;
ftp.Port = [NSNumber numberWithInt:21];

// For debugging, turn on session logging so we can examine what is sent by the server.
ftp.KeepSessionLog = YES;

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

// Iterate over .txt files.
ftp.ListPattern = @"*.txt";
int n = [[ftp GetDirCount] intValue];
NSLog(@"%@%d",@"n = ",n);

CkoDateTime *dt = 0;
int i = 0;
while (i < n) {
    // Get the last-modified date/time as a CkDateTime object.
    dt = [ftp GetLastModDt: [NSNumber numberWithInt: i]];
    NSLog(@"%d%@%@%@%@",i,@": ",[ftp GetFilename: [NSNumber numberWithInt: i]],@", ",[dt GetAsTimestamp: NO]);

    i = i + 1;
}

// Show the session log so we can see the details of the FTP directory listing sent by the server.
// This tells us what information is available.  Some FTP servers provide better and more accurate information
// than others.

NSLog(@"%@",@"---- Session Log ----");
NSLog(@"%@",ftp.SessionLog);

[ftp Disconnect];