(Objective-C) SCP Download Files Matching a Pattern, such as *.txt

Demonstrates how to SCP download files matching a pattern, such as *.txt.

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#import <CkoSsh.h>
#import <NSString.h>
#import <CkoScp.h>

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

CkoSsh *ssh = [[CkoSsh alloc] init];

// Connect to an SSH server:
NSString *hostname = @"MY-SSH-SERVER-DOMAIN-OR-IP";
int port = 22;

BOOL success = [ssh Connect: hostname port: [NSNumber numberWithInt: port]];
if (success != YES) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

// Wait a max of 5 seconds when reading responses..
ssh.IdleTimeoutMs = [NSNumber numberWithInt:5000];

// Authenticate using login/password:
success = [ssh AuthenticatePw: @"MY-SSH-LOGIN" password: @"MY-SSH-PASSWORD"];
if (success != YES) {
    NSLog(@"%@",ssh.LastErrorText);
    return;
}

// Once the SSH object is connected and authenticated, use it
// in the SCP object.
CkoScp *scp = [[CkoScp alloc] init];

success = [scp UseSsh: ssh];
if (success != YES) {
    NSLog(@"%@",scp.LastErrorText);
    return;
}

scp.HeartbeatMs = [NSNumber numberWithInt:200];

// Set the SyncMustMatch property to "*.pem" to download only .pem files
scp.SyncMustMatch = @"*.pem";

NSString *remoteDir = @"qa_syncA";
NSString *localDir = @"c:/aaworkarea/scp/qa_syncA";

// Download synchronization modes:
// mode=0: Download all files
// mode=1: Download all files that do not exist on the local filesystem.
// mode=2: Download newer or non-existant files.
// mode=3: Download only newer files.  
//         If a file does not already exist on the local filesystem, it is not downloaded from the server.
// mode=5: Download only missing files or files with size differences.
// mode=6: Same as mode 5, but also download newer files.
int mode = 0;

// Do not recurse the remote directory tree.  Only download files matching *.pem
// from the given remote directory.
BOOL bRecurse = NO;

success = [scp SyncTreeDownload: remoteDir localRoot: localDir mode: [NSNumber numberWithInt: mode] bRecurse: bRecurse];
if (success != YES) {
    NSLog(@"%@",scp.LastErrorText);
    return;
}

NSLog(@"%@",@"SCP download matching success.");

// Disconnect
[ssh Disconnect];