One of the things I like about DBI is that I can automatically trap errors. 
my $dbh = DBI->connect("dbi:ODBC:$DSN", $USER, $PASSWORD, {RaiseError 
+=> 1});

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That RaiseError statement allows subsequent calls to the database to automatically die with a message on an error. If you don't add that and fail to check for success or failure, your program can chug silently along, functioning incorrectly, without you having a clue until your boss yells at you.

My dilemma: the company that I work for has a lot of legacy code in modules that opens files, reads them, establishes database connections, etc., ALL WITHOUT CHECKING FOR SUCCESS OR FAILURE!!! I am going through and fixing these things when I find them, but I am wondering if their is a way to automatically kill your Perl script if something like open FILE, $somefile fails? I'm not talking about adding or die on all of these. I'm doing that now. I'm wanting something that will autokill the script if $! is set. That would just be a stopgap workaround, but I need to have something in place until I can plug all of the holes. (Yes, I know that most database connection failures don't set $!. Checking for a change in $! would catch the bulk of the problems).

Until I get all of these things fixed, this is going to be a nightmare. As is stands now, I just spent a couple of hours finding a bug in a huge script that I would have found immediately had they just put an "or die" after a stinkin' open statement!

Cheers,
Ovid

In reply to Error trapping by Ovid

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