Objective-C

SFTP Get File Date/Times in Different Formats

See more SFTP Examples

Demonstrates how to get remote file date/times in different formats. Objective-C

#import <CkoSFtp.h>
#import <NSString.h>
#import <CkoSFtpDir.h>
#import <CkoSFtpFile.h>
#import <CkoStringBuilder.h>
#import <CkoDateTime.h>

BOOL success = NO;

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

CkoSFtp *sftp = [[CkoSFtp alloc] init];

//  Connect to the SSH server.  
NSString *hostname = @"my-sftp-server.com";
int port = 22;
success = [sftp Connect: hostname port: [NSNumber numberWithInt: port]];
if (success == NO) {
    NSLog(@"%@",sftp.LastErrorText);
    return;
}

//  Authenticate with the SSH server. 
success = [sftp AuthenticatePw: @"myLogin" password: @"myPassword"];
if (success == NO) {
    NSLog(@"%@",sftp.LastErrorText);
    return;
}

//  After authenticating, the SFTP subsystem must be initialized:
success = [sftp InitializeSftp];
if (success == NO) {
    NSLog(@"%@",sftp.LastErrorText);
    return;
}

//  Open a directory on the server...
//  This example opens the "junk" directory located under the HOME directory of the SSH user account.
NSString *handle = [sftp OpenDir: @"junk"];
if (sftp.LastMethodSuccess == NO) {
    NSLog(@"%@",sftp.LastErrorText);
    return;
}

//  Download the directory listing:

CkoSFtpDir *dirListing = [[CkoSFtpDir alloc] init];
success = [sftp ReadDirListing: handle dirObj: dirListing];
if (success == NO) {
    NSLog(@"%@",sftp.LastErrorText);
    return;
}

//  Close the directory handle
success = [sftp CloseHandle: handle];
if (success == NO) {
    NSLog(@"%@",sftp.LastErrorText);
    return;
}

//  Iterate over the files.
//  Examine each filename and indicate those that match *FICHERO*.pdf
//  (i.e. the filename contains the word "FICHERO" and ends in ".pdf")
CkoSFtpFile *fileObj = [[CkoSFtpFile alloc] init];
CkoStringBuilder *sbFilename = [[CkoStringBuilder alloc] init];
BOOL caseSensitive = NO;
BOOL bLocalDateTime = NO;

CkoDateTime *dt = [[CkoDateTime alloc] init];
int i = 0;
int n = [dirListing.NumFilesAndDirs intValue];
while (i < n) {

    success = [dirListing FileAt: [NSNumber numberWithInt: i] fileObj: fileObj];
    if (success == NO) {
        NSLog(@"%@",dirListing.LastErrorText);
        return;
    }

    NSLog(@"%@",fileObj.Filename);

    //  Get the last-modified date/time
    [dt SetFromRfc822: fileObj.LastModifiedTimeStr];

    //  Get the date/time in other formats offered by the CkDateTime object.

    //  such as Wed, 18 Oct 2017 09:08:21 GMT
    NSLog(@"%@%@",@"RFC822 format: ",[dt GetAsRfc822: bLocalDateTime]);

    //  such as 1990-12-31T23:59:60Z
    NSLog(@"%@%@",@"Timestamp: ",[dt GetAsTimestamp: bLocalDateTime]);

    //  Such as: "02/16/2008 12:15:12"  where hour is 0 to 23.
    NSLog(@"%@%@",@"RFC822 format: ",[dt GetAsIso8601: @"MM/DD/YYYY hh:mm:ss" bLocal: bLocalDateTime]);

    i = i + 1;
}

NSLog(@"%@",@"Success.");