Hi there: a bit of a left-field question, I think.
I'm writing a program that analyses image files downloaded with a basic
crawler, and it's slow, mainly because I only want to analyse files
within a certain size range, and I'm having to download all the files
on the page, open them, get their
In the head of an HTTP response, most servers will specify a
Content-Length that is the number of bytes in the body of the response.
Normally, when using the GET method, the header is returned with the
body following. It is possible to make a HEAD request to the server
that will only return header
Thanks Josiah
I thought as much... Still, it'll help me immensely to cut the
downloads from a page to only those that are within a file-size range,
even if this gets me some images that are out-of-spec dimensionally.
Cheers, Al.
(Oh, and if anyone still has a bright idea about how to get image
[EMAIL PROTECTED] wrote:
Hi there: a bit of a left-field question, I think.
I'm writing a program that analyses image files downloaded with a basic
crawler, and it's slow, mainly because I only want to analyse files
within a certain size range, and I'm having to download all the files
on the
In [EMAIL PROTECTED], aldonnelley
wrote:
(Oh, and if anyone still has a bright idea about how to get image
dimensions without downloading, it'd be great to hear!)
Most image formats have some sort of header with the dimensions
information so it's enough to download this header. Depends on the
