React Native

SFTP Download Files Matching a Pattern

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Demonstrates how to download files in a directory matching one or more patterns (such as "*.zip" or "abc*_*0719.csv". React Native

import { SFtp } from '@chilkat/react-native'

async function chilkatExample() {
  let success = false;

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

  const sftp = new SFtp();

  success = true;
  try {
    await sftp.connectAsync('my-ssh-server.com', 22);
  } catch {
    success = false;
  }
  if (success) {
    success = true;
    try {
      await sftp.authenticatePwAsync('mySshLogin', 'mySshPassword');
    } catch {
      success = false;
    }
  }

  if (success) {
    success = true;
    try {
      await sftp.initializeSftpAsync();
    } catch {
      success = false;
    }
  }

  if (!success) {
    console.log(sftp.lastErrorText);
    return;
  }

  // The SyncTreeDownload method can be used non-recursively to download all files matching a set of patterns.

  // This example will download all files, but only those files having filenames
  // that match *.csv and *.eml
  sftp.syncMustMatch = '*.eml; *.gif';

  const remoteDir = 'syncDownloadTest/someDir';
  const localDir = 'qa_output';

  // mode=0: Download all matching files according to SyncMustMatch
  const mode = 0;

  // do not recursively traverse the remote directory tree.
  const recursive = false;

  success = true;
  try {
    await sftp.syncTreeDownloadAsync(remoteDir, localDir, mode, recursive);
  } catch {
    success = false;
  }
  if (!success) {
    console.log(sftp.lastErrorText);
    return;
  }

  console.log('Success.');
}