.\" generated by cd2nroff 0.1 from CURLOPT_APPEND.md .TH CURLOPT_APPEND 3 "2024-07-29" libcurl .SH NAME CURLOPT_APPEND \- append to the remote file .SH SYNOPSIS .nf #include CURLcode curl_easy_setopt(CURL *handle, CURLOPT_APPEND, long append); .fi .SH DESCRIPTION A long 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. .SH DEFAULT 0 (disabled) .SH PROTOCOLS This functionality affects ftp only .SH EXAMPLE .nf int main(void) { CURL *curl = curl_easy_init(); if(curl) { curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/dir/to/newfile"); curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L); curl_easy_setopt(curl, CURLOPT_APPEND, 1L); curl_easy_perform(curl); } } .fi .SH HISTORY This option was known as CURLOPT_FTPAPPEND up to 7.16.4 .SH AVAILABILITY Added in curl 7.17.0 .SH RETURN VALUE Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. .SH SEE ALSO .BR CURLOPT_DIRLISTONLY (3), .BR CURLOPT_RESUME_FROM (3), .BR CURLOPT_UPLOAD (3)