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Dart

SCP Download Files Matching a Pattern, such as *.txt

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

Chilkat Dart Downloads

Dart
import 'package:chilkat/chilkat.dart';

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

  final ssh = CkSsh();

  // Connect to an SSH server:
  final hostname = 'MY-SSH-SERVER-DOMAIN-OR-IP';
  final port = 22;

  try {
    ssh.connect(hostname, port);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Wait a max of 5 seconds when reading responses..
  ssh.idleTimeoutMs = 5000;

  // Authenticate using login/password:
  try {
    ssh.authenticatePw('MY-SSH-LOGIN', 'MY-SSH-PASSWORD');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Once the SSH object is connected and authenticated, use it
  // in the SCP object.
  final scp = CkScp();

  try {
    scp.useSsh(ssh);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  scp.heartbeatMs = 200;

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

  final remoteDir = 'qa_syncA';
  final 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.
  final mode = 0;

  // Do not recurse the remote directory tree.  Only download files matching *.pem
  // from the given remote directory.
  final bRecurse = false;

  try {
    scp.syncTreeDownload(remoteDir, localDir, mode, bRecurse);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  print('SCP download matching success.');

  // Disconnect
  ssh.disconnect();
}