last-modified for CGI-output...

I would like a cgi-program to output have a static last-modified date.  In Navigator, the last-modified date can be seen by selecting view-page info from the menu.

I tried a meta tag as follows, with no luck:
<META name="Last Modified" content="Sat, 26-Aug-95 21:57:56 GMT">
 
The CGI-program prints out the entire-page of the resultant-html.  

The server I am using is Netscape Enterprise 3.0, on NT and Solaris.
             
I have heard about server-parsed HTML(SSI) for APACHE but do not know more about it myself.

Rollin Crittendon
rollinAsked:
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dagmarConnect With a Mentor Commented:
At long as you resist the temptation to follow up your 'Content-type: text/html' line with TWO carriage returns, you should be able to do this with what amounts to this (using your dates from the example above) as the first part of your CGI output:

Content-type: text/html
Last-modified: 26-Aug-95 21:57:56 GMT
(blank line)

My guess is that you're trying to log/examine browser information (or kludge some quick Virtual Hosting) and avoid the ugly 'cache-busting' properties that CGIs tend to have.  I had to do the same thing myself, because my pages were driving the automated web agents some of my people were using berzerk...

Note:  HTTP protocol has very specific requirements as to what exactly a Last-modified date can look like, and the format above (if I'm not mistaken) is exactly it, up to and including you must specify times in the GMT time zone.  To convert your local time (if you're in the USA) to GMT, just:

add 5 hours for Eastern Time
add 6 hours for Central Time
add 7 hours for Mountain Time
add 8 hours for Pacific Time
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retsCommented:
Do you want this CGI to be "the page" or an element in the page.  It appears that you'd like to have the last modified info be a part of the existing page is this correct?

Also, what server are you working with?

Are you allowed to have SSIs (server parsed HTML)?

There are several possible solutions.  Answering these questions will allow for a solution which fits your needs better.
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rollinAuthor Commented:
Edited text of question
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phutsonCommented:
Why go through all of that how about a quick javascript.
just put this at the end of your page and it will do it.
<SCRIPT LANGUAGE="JavaScript">
<!--- Hide script from old browsers.
document.writeln("LastModified: " + document.lastModified)
// End the hiding here. -->
</SCRIPT>
I tested this on netscape 3.01
and ie 3.02

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dagmarCommented:
Oh, furthermore, you'll have a much easier task of converting the times to GMT accurately if you add hours*3600 to the mtime of the file in epoch seconds, and then convert the new epoch seconds into the required format...  
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rollinAuthor Commented:
Is there a way to get HTML-header information into a page if I write directly from a daemon-program at a port as well?
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