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Postings from April 2008
"Dr.Ruud" schreef:
> Renée Bäcker:
>> Dr.Ruud:
>>> The "if (1) {}" can be optimized away, but
>>> should at least leave a (scoping) block.
>>
>> B::Deparse says, that there is a do block:
>>
>> rbaecker@test ~/ $ perl -MO=Deparse if.pl
>> use warnings;
>> use strict 'refs';
>> do {
>> if (open my $fh, '/etc/passwd') {
>> print 'inner';
>> }
>> };
>> system "ls -l /proc/$$/fd";
>
> Oops, sorry for the noise.
Somewhat related:
$ perl -Mstrict -Mwarnings -le'
my $x = $_ for 1..3;
print $x;
'
Use of uninitialized value in print at -e line 3.
So $x doesn't keep the value, but isn't reported as a Global symbol
either.
(perl, v5.8.6 built for i386-freebsd-64int)
--
Affijn, Ruud
"Gewoon is een tijger."
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