(AutoIt) Get Size of File on Web Server

Demonstrates how to send a HEAD request to fetch information about a file on a web server, which hopefully includes the Content-Length in the response header.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

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

$oHttp = ObjCreate("Chilkat.Http")

Local $oResp = $oHttp.GetHead("https://nodejs.org/dist/v10.16.1/node-v10.16.1-win-x64.zip")
If ($oHttp.LastMethodSuccess = False) Then
    ConsoleWrite($oHttp.LastErrorText & @CRLF)
    Exit
EndIf

; Examine the response header.
ConsoleWrite($oResp.Header & @CRLF)

; Here is a sample response header:

; Date: Thu, 01 Aug 2019 12:47:27 GMT
; Content-Type: application/zip
; Content-Length: 17457922
; Connection: keep-alive
; Set-Cookie: __cfduid=da5b78dcdd8171683c5a578eb9c9f88c81564663647; expires=Fri, 31-Jul-20 12:47:27 GMT; path=/; domain=.nodejs.org; HttpOnly
; Last-Modified: Wed, 31 Jul 2019 18:21:57 GMT
; ETag: "5d41dc45-10a6302"
; Accept-Ranges: bytes
; Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
; Server: cloudflare
; CF-RAY: 4ff7ebb32ac4e1e2-ORD

; Get the Content-Length header.
Local $sContentLengthStr = $oResp.GetHeaderField("Content-Length")
; If the header exists...
If ($oResp.LastMethodSuccess = True) Then
    ConsoleWrite("Content-Length: " & $sContentLengthStr & @CRLF)
    ; Your application can convert the contentLengthStr to an integer and then use it....
EndIf