c: Copyright (C) 1998 - 2022, Daniel Stenberg, , et al. SPDX-License-Identifier: curl Short: a Long: append Help: Append to target file when uploading Protocols: FTP SFTP Category: ftp sftp See-also: range continue-at Example: --upload-file local --append ftp://example.com/ Added: 4.8 --- When used in an upload, this makes curl append to the target file instead of overwriting it. If the remote file does not exist, it will be created. Note that this flag is ignored by some SFTP servers (including OpenSSH).