03-31-2014
Quote:
Originally Posted by
postcd
when im downloading an webpage from command line (CLI) by curl or wget the target website is loaded like i load it from browser?
In principle: yes. A web page is served similar to a multipart/mime-message over e-mail. You have some header information (encoded into the URL), some "framework information" and optionally one or several additional data sources (pictures, videos, programs like flash, ...) embedded in this "framework". A browser receives such messages, displays them (quite like a mail reader would do for mails) and - driven by user actions - replies with a similar sort of messages which can range from very simple to equally complicated and similarly structured (quite like you answer a mail with a reply of your own).
Quote:
Originally Posted by
postcd
meaning target server connect to database and render data from mysql? Or only static content is downloaded?
Some of the elements i talked about above only work interactively. Both cURL and wget have (limited) provisions to deal with that. That means, some aspects of a user sitting there and interactively clicking/etc. something can be emulated, some cannot.
I hope this helps.
bakunin
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LEARN ABOUT MOJAVE
curlopt_noprogress
CURLOPT_NOPROGRESS(3) curl_easy_setopt options CURLOPT_NOPROGRESS(3)
NAME
CURLOPT_NOPROGRESS - switch off the progress meter
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_NOPROGRESS, long onoff);
DESCRIPTION
If onoff is to 1, it tells the library to shut off the progress meter completely for requests done with this handle. It will also prevent
the CURLOPT_PROGRESSFUNCTION(3) from getting called.
Future versions of libcurl are likely to not have any built-in progress meter at all.
DEFAULT
1, meaning it normally runs without a progress meter.
PROTOCOLS
All
EXAMPLE
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
/* enable progress meter */
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
/* Perform the request */
curl_easy_perform(curl);
}
AVAILABILITY
Always
RETURN VALUE
Returns CURLE_OK.
SEE ALSO
CURLOPT_PROGRESSFUNCTION(3),
libcurl 7.54.0 March 06, 2016 CURLOPT_NOPROGRESS(3)