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CURLOPT_WILDCARDMATCH(3) curl_easy_setopt options CURLOPT_WILDCARDMATCH(3)
CURLOPT_WILDCARDMATCH - directory wildcard transfers
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_WILDCARDMATCH, long onoff);
Set onoff to 1 if you want to transfer multiple files according to a
file name pattern. The pattern can be specified as part of the
CURLOPT_URL(3) option, using an fnmatch-like pattern (Shell Pattern
Matching) in the last part of URL (file name).
By default, libcurl uses its internal wildcard matching implementation.
You can provide your own matching function by the
A brief introduction of its syntax follows:
* - ASTERISK
for all txt's from the root directory. Only two asterisks
are allowed within the same pattern string.
? - QUESTION MARK
Question mark matches any (exactly one) character.
[ - BRACKET EXPRESSION
The left bracket opens a bracket expression. The question
mark and asterisk have no special meaning in a bracket
expression. Each bracket expression ends by the right
bracket and matches exactly one character. Some examples
[a-zA-Z0-9] or [f-gF-G] - character interval
[abc] - character enumeration
[^abc] or [!abc] - negation
[[:name:]] class expression. Supported classes are
alnum,lower, space, alpha, digit, print, upper, blank,
[-!^] - special case - matches only '-', ']', '[', '!'
or '^'. These characters have no special purpose.
[\[\]\\] - escape syntax. Matches '[', ']' or '\'.
Using the rules above, a file name pattern can be
This feature is only supported for FTP download.
/* initialization of easy handle */
handle = curl_easy_init();
/* turn on wildcard matching */
curl_easy_setopt(handle, CURLOPT_WILDCARDMATCH, 1L);
/* callback is called before download of concrete file started */
curl_easy_setopt(handle, CURLOPT_CHUNK_BGN_FUNCTION, file_is_coming);
/* callback is called after data from the file have been transferred */
curl_easy_setopt(handle, CURLOPT_CHUNK_END_FUNCTION, file_is_downloaded);
/* See more on https://curl.se/libcurl/c/ftp-wildcard.html */
Added in 7.21.0
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
libcurl 7.86.0 September 20, 2022 CURLOPT_WILDCARDMATCH(3)