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Re^2: Debugging CGI/PERL

by rvosa (Curate)
on Mar 21, 2007 at 19:15 UTC ( #605909=note: print w/replies, xml ) Need Help??

in reply to Re: Debugging CGI/PERL
in thread Debugging CGI/PERL

It means that the output is not well formed. This can either be: i) you made a mistake in the response header, which needs to start with Content-type: text/html and two line breaks (but proper usage of any CGI module will take care of that); ii) something is erroneously printed into your response before this header (a debug print for example).

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Re^3: Debugging CGI/PERL
by EvanK (Chaplain) on Mar 23, 2007 at 14:43 UTC
    I'm nitpicking I know, but the response header can start and end with many directives...the only absolutely required one is Content-Type (and it must indeed end with two linebreaks). For example, this is perfectly legal:
    Set-Cookie: USER_COOKIE=blahblahblah; path=/; Content-Type: text/plain Transfer-Encoding: chunked Content-Encoding: gzip This is my content...
    Of course, if the OP is already using CGI (which he should be), then you can simply use the CGI->header() method:
    print CGI->header('text/plain');

    Systems development is like banging your head against a wall...
    It's usually very painful, but if you're persistent, you'll get through it.

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