Hi,
why don't you use "readpipe", which lets you avoid the intermediate data
file:
...
my $data = readpipe ($cmd);
...
Helmut
>
> I tried this (inside the handler):
>
> ...
> my $cmd = '/opt/reports/bin/getdata';
> system($cmd, @params);
> if ( open(DATA, '/opt/reports/var/data.txt') ) {
> local $_;
> while (<DATA>) { $r->print($_) }
> close DATA;
> } else {
> $r->print("<h1>Canīt read data</h1>");
> }
> ...
>
> The program getdata put output in /opt/reports/var/data.txt
>
> I tried also:
>
> qx{ $cmd @params }
>
> and
>
> `$cmd @params`
>
> but it does not work.
>
> The problem is that if you check the /opt/reports/var/ directory the
> data.txt is generated correctly for each requet.
>
> Thanks,
> Alejandro Galue.
>
> -----Original Message-----
> From: Tom Schindl [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, April 28, 2004 3:29 PM
> To: Alejandro Galue
> Cc: [EMAIL PROTECTED]
> Subject: Re: Problem with perl system() function
>
> Hi,
>
> system will wait until the executed shell-script has finished. I'd rather
> guess that you are not allowed to call the commandline programm you'd like
> to call.
>
> Did you get any thing in the error_log? How do you call the
> system-command:
>
> * system
> *``
> * qx
>
> Maybe you could show us the code you're using and we'll tell you whats
> wrong there.
>
> Tom
>
> Alejandro Galue wrote:
>> Hello All,
>>
>> Iīm using mod_perl2 and Apache2 over Fedora Core 1.
>>
>> I have a handler that need to call an external program to complete the
>> request.
>>
>> This program put its output to a file, and then I read this output
>> from the handler (after system function) to complete the request.
>>
>> My problem is (I assume) when I call system, it returns inmediatly and
>> of course when I try to read the file output, it does not exist;
>> becase it was created later.
>>
>> How can I force to wait for a system function terminate the execution
>> of an external program.
>>
>> Thanks,
>> Alejandro Galue.
>>
>>
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