Starting in Perl 5.10, it is now possible to lexically scope the context variable $_, either explicitly as my $_; or in a given / when construct. Has anyone found good uses of the lexical $_? Does...

I'm wondering, does -MO=Deparse show you all of the Perl optimizations, and why doesn't this get folded in Perl 5.10? $ perl -MO=Deparse -e'[qw/foo bar baz/]->[0]' ['foo', 'bar', 'baz']->[0]...

Some of the new features of Perl 5.10 and 5.12, such as "say", are defined as features, that you can enable or disallow explicitly using the "feature" pragma. But other additions, like the named ca...

According to the Perl documentation on file globbing, the <*> operator or glob() function, when used in a scalar context, should iterate through the list of files matching the specified patte...

I didn't realize until recently that Perl 5.10 had significant new features and I was wondering if anyone could give me some good resources for learning about those. I searched for them on Google a...