I'm not 100% convinced with this...but happy to be proved wrong! :)

I had a little go with some code based on these ideas and found that talking "raw" to the remote web server meant I ended up downloading the entire file regardless of how much I checked (confirmed using Wireshark to track the actual inbound data). This, in my mind, wouldn't save OP any bandwidth as the whole file is coming down the line anyway.....

As I said, happy to be proved wrong!

fx, Infinity is Colourless

In reply to Re^2: How to download JUST the first X bytes of HTTP response ? by fx
in thread How to download JUST the first X bytes of HTTP response ? by Anonymous Monk

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