Ah okay.

I thought it might be something to do with concatenation at first, which also shows a subtle difference: 

my $var1;
print $var1 .= 'r', "\n";
# prints r

my $var2 = '';
print $var2 .= 'r', "\n";
#prints r

my $var3 = 0;
print $var3 .= 'r', "\n";
#prints 0r

[download]
:)

In reply to Re^4: To initialise or not to initialise? by kiat
in thread To initialise or not to initialise? by kiat

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