(Ruby) HTTP HEAD Request

Sends an HTTP HEAD request and gets the response.

Note: The response to an HTTP HEAD request is always just the response header. The reponse body is always 0 length (thus the reason it's called a "HEAD" request..)

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

http = Chilkat::CkHttp.new()

# If the URL uses "https://", then the connection will be TLS.
# Otherwise it will be TCP.
# resp is a CkHttpResponse
resp = http.GetHead("https://example-code.com/")
if (http.get_LastMethodSuccess() != true)
    # A failure is when we don't get any response.  It could be a timeout, an inability to connect, etc.
    # For example, a "404 Not Found" response is still a response, and thus deemed success in terms of the API..
    print http.lastErrorText() + "\n";
    exit
end

# Examine the response.
print "Status Code = " + resp.get_StatusCode().to_s() + "\n";
print "Status Line = " + resp.statusLine() + "\n";
print "Status Text = " + resp.statusText() + "\n";
print "Full Response Header:" + "\n";
print resp.header() + "\n";
print "----" + "\n";
numHeaderFields = resp.get_NumHeaderFields()
print "Num Header Fields: " + numHeaderFields.to_s() + "\n";

for i in 0 .. numHeaderFields - 1
    print resp.getHeaderName(i) + ": " + resp.getHeaderValue(i) + "\n";
end