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# [...] File handles can be opened to "in memory" files held in Perl scalars via: open($fh, ">", \$variable)
Always 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 Arbitrarily/Randomly Never Never heard of it I'm still supporting 5.6.0, you insensitive clod!
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