On Friday 19 Mar 2010 13:45:31 [email protected] wrote:
> On 19/03/10 13:19 +0200, Chris Knipe wrote:
> >my ($foo, $bar) = 1
> >
> >I am getting more and more occurances where when I use the later as above,
> >$bar would not have a defined value... I'm not quite sure I understand
> >why.
>
> Does;
> my ($foo,$bar) = 1 x 2;
> do what you want?
<<<
shlomi:~$ cat 1x2.pl
#!/usr/bin/perl
use strict;
use warnings;
my ($foo, $bar) = 1 x 2;
print "Foo = $foo\n";
print "Bar = $bar\n";
shlomi:~$ perl 1x2.pl
Foo = 11
Use of uninitialized value $bar in concatenation (.) or string at 1x2.pl line
9.
Bar =
>>>
1 x 2 is string replication. You probably want list replication with :
<<<
my ($foo, $bar) = (1) x 2;
>>>
Regards,
Shlomi Fish
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