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$ perl -e 'my $_ = 1'
Can't use global $_ in "my" at -e line 1, near "my $_ "
Always on Perls where it is no longer experimental
Sometimes, such as when I deem the syntax to be clearer with it than without
Only if the existing code base uses it or a standards doc mandates it
Never heard of it
I'm still supporting 5.6.0, you insensitive clod!
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