[ale] Slightly ot: perl question.
Robert L. Harris
Robert.L.Harris at rdlg.net
Mon Feb 14 14:27:58 EST 2005
What happens when you run the select by hand? I think that while loop should
run as long as you're getting data back from your select.
Thus spake John Cole (jcole at filink.com):
> Howdy all!
>
> First of all, it is amazing how much knowledge you gain when you have to fix
> systems you didn't design. :)
>
> Well, my question for today is why this code snippet doesn't work. It's in
> a program I'm trying to utilize but I'm not getting the while loop to
> activate.
>
> # Open a ForkManager handle limiting the number of children
> # to MAX_FORKS
> $pm = new Parallel::ForkManager($scanq);
>
> #Select scheduled scans to run.
> $sth = $dbh->prepare(qq{
> SELECT scan.host, scan.sched_id, sched.sid, sched.timeout,
> sched.username, sched.next_scan
> FROM nessus_scan scan, nessus_schedule sched
> WHERE scan.status = "S"
> AND scan.server_id=$serverid
> AND scan.sched_id=sched.id
> AND sched.next_scan > 0
> } );
> $sth->execute;
>
> while(($host, $schedid, $sid, $timeout, $username,
> $scantime)=$sth->fetchrow_array){
> $pm->start and next; # Do the fork
> my $dbhf;
>
> $dbhf =
> DBI->connect("$CONFIG{'DATABASEDSN'}:$CONFIG{'DATABASENAME'}:$CONFIG{'DATABA
> SEHOST'}","$CONFIG{'DATABASEUSER'}","$CONFIG{'DATABASEPASSWORD'}", {
> PrintError => 0,
> RaiseError => 1,
> AutoCommit => 1 } ) or die("Failed to connect :
> $DBI::errstr\n");
>
>
> If I do a:
> print $sth->fetchrow_array;
> After the $sth->execute; I get the output from the db as requested.
>
> I don't see how any of the variables in the while loop are being measured.
> All that exists is a:
> my ($host, $schedid, ...) at the very beginning of this perl script.
>
> Any ideas anyone?
>
> Thanks,
> John Cole
>
>
> This email and any files transmitted with it are solely intended for the use of the
> addressee(s) and may contain information that is confidential and privileged. If
> you receive this email in error, please advise us by return email immediately.
> Please also disregard the contents of the email, delete it and destroy any copies
> immediately.
>
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://www.ale.org/mailman/listinfo/ale
:wq!
---------------------------------------------------------------------------
Robert L. Harris | GPG Key ID: E344DA3B
@ x-hkp://pgp.mit.edu
DISCLAIMER:
These are MY OPINIONS With Dreams To Be A King,
ALONE. I speak for First One Should Be A Man
no-one else. - Manowar
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
More information about the Ale
mailing list