CURLOPT_APPEND(3) Introduction to Library Functions CURLOPT_APPEND(3)

NAME

CURLOPT_APPEND - append to the remote file

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_APPEND, long append);

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.

DEFAULT

0 (disabled)

PROTOCOLS

This functionality affects ftp and sftp

EXAMPLE

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);
}
}

HISTORY

This option was known as CURLOPT_FTPAPPEND up to 7.16.4

AVAILABILITY

Added in curl 7.17.0

RETURN VALUE

curl_easy_setopt(3) returns a CURLcode indicating success or error.

CURLE_OK (0) means everything was OK, non-zero means an error
occurred, see libcurl-errors(3).

SEE ALSO

CURLOPT_DIRLISTONLY(3), CURLOPT_RESUME_FROM(3), CURLOPT_UPLOAD(3)

libcurl 2025-02-25 CURLOPT_APPEND(3)