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Sortix volatile manual

This manual documents Sortix volatile, a development build that has not been officially released. You can instead view this document in the latest official manual.

CURLOPT_APPEND(3) Library Functions Manual 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

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

SEE ALSO

CURLOPT_DIRLISTONLY(3), CURLOPT_RESUME_FROM(3), CURLOPT_UPLOAD(3)
2025-05-13 libcurl
Copyright 2011-2025 Jonas 'Sortie' Termansen and contributors.
Sortix's source code is free software under the ISC license.
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