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CGI programs construct a reply by writing to standard output. The first
few lines of output are parameters intended for the web server that invoked
the CGI. These are followed by a blank line and then the content.
Typical parameter output looks like this:
<blockquote><verbatim>
Status: 200 Ok
Content-Type: text/html
</verbatim></blockquote>
CGI programs can return any content type they want - they are not restricted
to text replies. It is OK for a CGI program to return (for example)
image/png.
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230
231
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CGI programs construct a reply by writing to standard output. The first
few lines of output are parameters intended for the web server that invoked
the CGI. These are followed by a blank line and then the content.
Typical parameter output looks like this:
<blockquote><verbatim>
Status: 200 OK
Content-Type: text/html
</verbatim></blockquote>
CGI programs can return any content type they want - they are not restricted
to text replies. It is OK for a CGI program to return (for example)
image/png.
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