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  1. or download this
    qwurx [shmem] ~ > perl -le 'local my $foo'
Can't localize lexical variable $foo at -e line 1.
  2. or download this
    our $name;
for $name (qw(red blue green yellow orange purple violet)) {
...
}
__END__
Modification of a read-only value attempted at - line 3.