CURLOPT_APPEND (3) Linux Manual Page
CURLOPT_APPEND – enable appending to the remote file
Synopsis
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_APPEND, long append);
Description
A parameter set to 1 tells the library to append to the remote file instead of overwrite it. This is only useful when uploading to an FTP site.
Default
0
Protocols
FTP
Example
TODO
Availability
This option was known as CURLOPT_FTPAPPEND up to 7.16.4
Return Value
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.