11-02-2012
You are running curl in the background. It runs independently -- ergo, it prints when it pleases. Whether it will print lines precisely when you want it to is entirely coincidental. It could even print overtop of other lines sometimes but probably not all the time.
This is not a bug. This is just because you have no control over the order they print.
If you must run them in parallel, each instance of curl should write to its own logfile, IMHO. You can merge them after they're finished but not before.
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LEARN ABOUT MOJAVE
curlopt_filetime
CURLOPT_FILETIME(3) curl_easy_setopt options CURLOPT_FILETIME(3)
NAME
CURLOPT_FILETIME - get the modification time of the remote resource
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FILETIME, long gettime);
DESCRIPTION
Pass a long. If it is 1, libcurl will attempt to get the modification time of the remote document in this operation. This requires that the
remote server sends the time or replies to a time querying command. The curl_easy_getinfo(3) function with the CURLINFO_FILETIME(3) argu-
ment can be used after a transfer to extract the received time (if any).
DEFAULT
0
PROTOCOLS
HTTP, FTP, SFTP, FILE
EXAMPLE
curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, url);
/* Ask for filetime */
curl_easy_setopt(curl, CURLOPT_FILETIME, 1L);
res = curl_easy_perform(curl);
if(CURLE_OK == res) {
res = curl_easy_getinfo(curl, CURLINFO_FILETIME, &filetime);
if((CURLE_OK == res) && (filetime >= 0)) {
time_t file_time = (time_t)filetime;
printf("filetime %s: %s", filename, ctime(&file_time));
}
}
/* always cleanup */
curl_easy_cleanup(curl);
}
AVAILABILITY
Always, for SFTP since 7.49.0
RETURN VALUE
Returns CURLE_OK
SEE ALSO
curl_easy_getinfo(3),
libcurl 7.54.0 April 03, 2017 CURLOPT_FILETIME(3)