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Added a comment: compressed storage/transfer -- gzip Content-Type

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http://yarikoptic.myopenid.com/ 2013-05-25 06:41:37 +00:00 committed by admin
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[[!comment format=mdwn
username="http://yarikoptic.myopenid.com/"
nickname="site-myopenid"
subject="compressed storage/transfer -- gzip Content-Type"
date="2013-05-25T06:41:37Z"
content="""
FWIW -- eh -- unfortunately it seems not that transparent. wget seems to not support decompression at all, curl can do with explicit --compressed, BUT it doesn't distinguish url to a \"natively\" .gz file and pre-compressed content. And I am not sure if it is possible to anyhow reliably distinguish the two urls. In the case of obtaining pre-compressed file from my sample apache server the only difference in the http response header is that it gets \"compound\" ETag:
compare ETag: \"3acb0e-17b38-4dd5343744660\" (for directly asking zeros100.gz) vs \"3acb0e-17b38-4dd5343744660;4dd5344e1537e\" (requesting zeros100) where portion past \";\" I guess signals the caching tag for gzipping, but not exactly sure on that since it seems to be not a part of standard. Also for zeros100 I am getting \"TCN: choice\"... once again not sure if that is any how reliably indicative for my purpose. So I guess there is no good way ATM via Content-Type request.
"""]]