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(Node.js) Restart/Resume FTP DownloadResume downloading a file from an FTP server.
var os = require('os'); if (os.platform() == 'win32') { if (os.arch() == 'ia32') { var chilkat = require('@chilkat/ck-node11-win-ia32'); } else { var chilkat = require('@chilkat/ck-node11-win64'); } } else if (os.platform() == 'linux') { if (os.arch() == 'arm') { var chilkat = require('@chilkat/ck-node11-arm'); } else if (os.arch() == 'x86') { var chilkat = require('@chilkat/ck-node11-linux32'); } else { var chilkat = require('@chilkat/ck-node11-linux64'); } } else if (os.platform() == 'darwin') { var chilkat = require('@chilkat/ck-node11-macosx'); } function chilkatExample() { // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. var ftp = new chilkat.Ftp2(); ftp.Hostname = "ftp.example.com"; ftp.Username = "login"; ftp.Password = "password"; // Connect and login to the FTP server. var success = ftp.Connect(); if (success !== true) { console.log(ftp.LastErrorText); return; } // Change to the remote directory where the file is located. // This step is only necessary if the file is not in the root directory // for the FTP account. success = ftp.ChangeRemoteDir("temp"); if (success !== true) { console.log(ftp.LastErrorText); return; } // To resume a download, it is assumed that the partial file // is already present on the local filesystem. // You only need to set the RestartNext property to resume // the download. The Chilkat FTP component sets the resume // point by getting the existing size of the target (local) file. ftp.RestartNext = true; var localFilename = "big.zip"; var remoteFilename = "big.zip"; // Resume downloading... success = ftp.GetFile(remoteFilename,localFilename); if (success !== true) { console.log(ftp.LastErrorText); return; } success = ftp.Disconnect(); console.log("File Downloaded!"); } chilkatExample(); |
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