I don't think a proposal to add an option to Perl as you propose will make any chance, unless you've shown it's in demand. How to prove demand? Make a module that gives you
this behaviour. It shouldn't be too hard to make a module
with a modified glob, that does a recursive expand.
As for the recursive behaviour of @ARGV, be aware that @ARGV
(or rather <ARGV>) is already highly magical. Ever tried passing 'who |' as an argument? Do you think
the added complexity to <ARGV> outweights the benefits?
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