RE: Perl CGI persistence question
- From: "Sina Bahram" <sbahram@xxxxxxxxx>
- To: <programmingblind@xxxxxxxxxxxxx>
- Date: Sun, 10 May 2009 11:48:29 -0400
*laugh* I had a commment in my script that said something along the lines
of, apache probably want sthe pipes closed ... And I just didn't bother
testing that last night. Granted, it was 3:15 in the morning.
This is perfect, thanks much.
Take care,
Sina
-----Original Message-----
From: programmingblind-bounce@xxxxxxxxxxxxx
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Martin Slack
Sent: Sunday, May 10, 2009 3:25 AM
To: programmingblind@xxxxxxxxxxxxx
Subject: Re: Perl CGI persistence question
Hi Sina,
Does anything on this page help:
http://coding.derkeiler.com/Archive/Perl/perl.beginners/2003-11/1148.html
Regards, Martin
----- Original Message -----
From: "Sina Bahram" <sbahram@xxxxxxxxx>
To: <programmingblind@xxxxxxxxxxxxx>
Sent: Sunday, May 10, 2009 7:37 AM
Subject: Perl CGI persistence question
> Hi all,
>
> I've got a CGI script written in Perl, and it seems to work just fine for
> the most part; however, I have the following problem.
>
> My script takes in some input, via a form, executes many calculations and
> so
> on with that data, and then emails the user when its done, with the
> results.
>
> The problem is that these calculations, as a result of other IO issues,
> take
> some time to execute, on the order of minutes. No matter what I do, I
> can't
> fork off a process or do something else that allows me to just allow the
> html page to finish loading, give the user some output like, "the results
> will be emailed to you", and then to continue executing, while they
> navigate
> away, close their browser, or whatever.
>
> Here's the end of my script, after all the output and such:
>
> ***
>
> print p."Your request has been received, and an email will be sent with
> your
> results shortly";
>
> if(fork() == 0) {
> doCalc;
> sendEmail;
> return;
> }
> }
>
> print end_html;
>
> ***
>
> I was hoping the child would execute away, while the parent returned the
> end
> html ... But no, the page doesn't finish loading until the calculations
> are
> done.
>
> Is there some standard Perl or CGI way of doing this?
>
> Take care,
> Sina
>
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