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(Unicode C) Delete Local Files that Do Not Exist on the FTP ServerDemonstrates how to get a list of local files in a directory tree that do not exist on the FTP server.
#include <C_CkFtp2W.h> #include <C_CkStringArrayW.h> #include <C_CkFileAccessW.h> void ChilkatSample(void) { HCkFtp2W ftp; BOOL success; int mode; BOOL descendTree; BOOL previewOnly; HCkStringArrayW sa; HCkFileAccessW fac; int numFiles; int i; const wchar_t *localFilePath; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. ftp = CkFtp2W_Create(); CkFtp2W_putHostname(ftp,L"ftp.example.com"); CkFtp2W_putUsername(ftp,L"login"); CkFtp2W_putPassword(ftp,L"password"); CkFtp2W_putKeepSessionLog(ftp,TRUE); // Connect and login to the FTP server. success = CkFtp2W_Connect(ftp); if (success != TRUE) { wprintf(L"%s\n",CkFtp2W_lastErrorText(ftp)); CkFtp2W_Dispose(ftp); return; } // Set the current remote directory to the root of // the remote tree to be compared. success = CkFtp2W_ChangeRemoteDir(ftp,L"abc123"); if (success != TRUE) { wprintf(L"%s\n",CkFtp2W_lastErrorText(ftp)); CkFtp2W_Dispose(ftp); return; } // Recursively descend the local directory tree // and find the files that exist locally but not remotely. // These are the files what would be uploaded via // the SyncRemoteTree method call with mode = 1. // (Mode 1 would upload all files that do not exist on the FTP server.) // The actual uploading is avoided by setting the preview-only argument to TRUE. mode = 1; descendTree = TRUE; previewOnly = TRUE; success = CkFtp2W_SyncRemoteTree2(ftp,L"/temp/abc123",mode,descendTree,previewOnly); if (success != TRUE) { wprintf(L"%s\n",CkFtp2W_lastErrorText(ftp)); CkFtp2W_Dispose(ftp); return; } // The files what would've been uploaded are now available in the SyncPreview property, // which contains a list of local file paths, one per line. // A program can iterate over them like this: sa = CkStringArrayW_Create(); CkStringArrayW_LoadFromText(sa,CkFtp2W_syncPreview(ftp)); fac = CkFileAccessW_Create(); numFiles = CkStringArrayW_getCount(sa); i = 0; while ((i < numFiles)) { localFilePath = CkStringArrayW_getString(sa,i); wprintf(L"%s\n",localFilePath); // An application can delete the file using Chilkat's file access object, // or it can choose to use the native file API available in the programming language: success = CkFileAccessW_FileDelete(fac,localFilePath); if (success != TRUE) { wprintf(L"Failed to delete: %s\n",localFilePath); } i = i + 1; } success = CkFtp2W_Disconnect(ftp); CkFtp2W_Dispose(ftp); CkStringArrayW_Dispose(sa); CkFileAccessW_Dispose(fac); } |
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