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Re: use lib in cgi env

by space_monk (Chaplain)
on Nov 05, 2012 at 16:37 UTC ( #1002356=note: print w/replies, xml ) Need Help??


in reply to use lib in cgi env

Embedding a fixed path in the code is not a good plan. Why not try alternative methods of setting a path for libraries, such as setting the PERL5LIB environment variable, or starting perl with the include path on the command line?

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Re^2: use lib in cgi env
by sundialsvc4 (Abbot) on Nov 05, 2012 at 17:37 UTC

    The problem here is how (and whether) that environment-variable will be set when the CGI/FastCGI script executes.   The web-server e.g. Apache sets up a more limited environment so that the runtime behavior of the script is more certain and less subject to undue influence.

    In the specific case of a CGI script destined for a known implementation target, I find that setting fixed paths is a reasonable and perhaps desirable technique.   You know what the right answers are and always will be.   And, as noted above, I isolate it into one root script which is known to have global influence upon the rest of it.   Your Mileage May Vary™, but in the specific case I described above, what I chose to do was a most-deliberate choice that did fully consider what you suggest.

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[Corion]: Hmm - is anybody aware of a "protocol-only" HTTP module? I'd like to teach Prima non-blocking HTTP ideally without using threads, but that means reimplementing/ rewriting something like HTTP::Tiny (except asynchronous) or AnyEvent::HTTP
[Corion]: Ideally, the HTTP state machine but with a way to feed it HTTP data whenever I get it instead of it actively doing stuff.
[Corion]: Now that I talk about this, maybe Net::Inspect::L7:: HTTP would be the right kind of thing for the responses at least.

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