On Thu, 22 Mar 2012 16:11:37 -0400 Michael Putch <mpu...@earthlink.net> wrote:
> On 3/22/2012 3:47 PM, Manfred Lotz wrote: > > Hi all, > > If I run the following small test snippet > > > > <--------------------------------------snip------------> > > #! /usr/bin/perl > > > > use strict; > > use warnings; > > > > use autodie; > > > > > > > > open my $hdl, ">", "fileio1.txt"; > > print $hdl "a line\n"; > > close $hdl; > > > > open HDL, ">", "fileio2.txt"; > > print HDL "a line\n"; > > close HDL; > > <--------------------------------------snap------------> > > > > > > I get the message: > > Name "main::HDL" used only once: possible typo at ./fileio1.pl line > > 16. > > > > Why? The same as with $hdl above I use HDL three times. > > > > > > > You can't use "typeglob" style filehandles with autodie -- it > only works with lexical filehandles (one reason that the latter are > now preferred). See the Bugs section of "perldoc autodie". > Aaah, that is interesting. Didn't know that autodie was the cause of the warning message. I just wanted to know. I understand that the first version in my example is the one I should prefer. -- Thanks, Manfred -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
