Re^5: A curious case of of my() (What is GLOBAL?)

... special vars like $_ which always belong to main:: without full qualification

...unless $_ is lexicalized in the current scope :)

$_=666;
{
  my $_=777;
  print $_;        # -> 777
  print $main::_;  # -> 666
}
[download]

(just meaning to say that $_ isn't the best example — otherwise I agree of course)

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Re^6: A curious case of of my() (What is GLOBAL?) by LanX (Saint) on Apr 05, 2011 at 12:52 UTC
I'm not sure but IIRC lexical $_ is a rather new feature... But thanks! Cheers Rolf	[reply]
Re^7: A curious case of of my() (What is GLOBAL?) by JavaFan (Canon) on Apr 05, 2011 at 13:46 UTC
It depends what you call "rather new". It was introduced in December 2007, when 5.10 hit the street. It's now April 2011, with 5.14-RC0 looming around the corner. More than 3 years, and the almost the life-span of 2 major releases - not something I would call "rather new".	[reply]
Re^8: A curious case of of my() (rather new feature) by LanX (Saint) on Apr 05, 2011 at 14:09 UTC
> It depends what you call "rather new". It was introduced in December 2007, when 5.10 hit the street. Hmm, for me: "System Perl available on a majority of running systems for more than 1 or 2 years".š So you have to add the average time span between system installations and lag of update into distributions for an approximation. > More than 3 years, and the almost the life-span of 2 major releases - not something I would call "rather new". I still do! Only a minority of users update their Perl to the newest release ASAP. But I agree that it's only a weak "rather". Cheers Rolf 1) or in other words: If it doesn't work, you can blame the system admin!	[reply]
Re^7: A curious case of of my() (What is GLOBAL?) by ikegami (Patriarch) on Apr 05, 2011 at 18:23 UTC
It's present in every Perl version that wasn't officially EOLed. Even 5.10 will be EOLed in a month, if I understand correctly.	[reply]