Last-Modified ??

• To: "'www-lib@w3.org'" <www-lib@w3.org>
• Subject: Last-Modified ??
• From: Martin Ostrowski <mostrowski@marlowe.iosys.de>
• Date: Tue, 11 Feb 1997 01:56:50 -0000
• From www-lib-request@www10.w3.org Mon Feb 10 19: 55:33 1997
• Message-Id: <01BC17BE.DBF51B70@MATAHARI>
• X-List-URL: http://www.w3.org/pub/WWW/Archives/Public/www-lib/

HI,

i am using the libwww for a client-app who is watching at a specific
URL for changes.
after several times, trying to get out the Last-modified-Field
in the MIME-Header, i am really confused...
Now I know, there are 3 Formats for the Date.

But the last-modified entry is often not used by the Server ;-(,
and i think it is unusual to create an caching-mechanism.

How can i develop a simply cache-mechanism to determine when
an url as been changed ? 

any suggestions?

thanks

Martin Ostrowski (mostrowski@marlowe.iosys.de)  

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