Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
curl
a
append
Append to target file when uploading
FTP SFTP
ftp sftp
4.8
boolean
range
continue-at
--upload-file local --append ftp://example.com/
--append
When used in an upload, this option makes curl append to the target file
instead of overwriting it. If the remote file does not exist, it is
created. Note that this flag is ignored by some SFTP servers (including
OpenSSH).