Whoa! thanks for the clarification. I need to take out some of my no warnings now. ;)
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] > Sent: None > To: [EMAIL PROTECTED] > Subject: Re: Use of uninitialized value in concatenation (.) > > > Scott, > > You've declared it... > my $drvname; > ...but not initialised it(given it a value). So at the moment > it has the special value 'undef' (which is treated as 0 in a > numeric context, or '' in a scalar one). Try and do much with > an undef and you'll get a warning, basically reminding you to > do something with it. You can selectively turn this warning > off, like the other bloke suggested, but once you start > playing with undefs things can get a bit odd -it's best to > avoid them, by keeping the warnings on. I think setting it as > an empty string will do the trick: > my $drvname = ''; > > Note that an undef is *treated* like an empty string in > scalar context -that doesn't mean to say that it *is* an > empty string. This idea only clicked for me the other day > when someone suggested I read the perlsyn manpage (the > declarations bit especially). > > Cheers, > > Tristan > > You Wrote: > ---------- > > When I put the -w switch on I get this error: > Use of uninitialized value in concatenation (.) at > /var/www/cgi-bin/ticket.cgi line 71: > > on this line: > print "$trd Driver ID:</td><td>$columns[19] -- $drvname</td></tr>"; > > Can anyone point out my mistake? > It still runs but fills up my error_log > and I do have the variables initialized before the loop: > my $trd = "<tr><td bgcolor=white align=right>"; > my $drvname; > my @columns; > > > -- > Scott Taylor > Systems Administrator > DCT Chambers Trucking Ltd. > > > -- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > _______________________________________________________ > sent via the murky.net webmail hegemony > > -- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > ---------------------------------------------------------------------------- -------------------- The views and opinions expressed in this email message are the sender's own, and do not necessarily represent the views and opinions of Summit Systems Inc. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
