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Aug 23, 2017 at 22:54 comment added aschepler @Thor I wouldn't count that as satisfying "return a list".
Aug 22, 2017 at 23:49 comment added Thor I meant something like this: echo 5 | perl -pe '$_=$_ x$_'
Aug 22, 2017 at 23:29 history edited aschepler CC BY-SA 3.0
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Aug 22, 2017 at 23:24 comment added aschepler @Thor x does string repetition, not list repetition, unless the left operand is in parentheses (or is a qw operator) and the x is evaluated in list context. And of course $_ is a scalar, not a list.
Aug 22, 2017 at 6:45 comment added Thor Why not $_=$_ x$_ with perl -pe?
Aug 21, 2017 at 16:07 comment added Brad Gilbert b2gills I would say it doesn't count as a built-in because you have to work around the fact that it takes two inputs instead of one.
Aug 21, 2017 at 13:10 comment added Dom Hastings Had pretty much the same, but you can change the first $_[0] to @_! Also the second can be"@_" I think...
Aug 21, 2017 at 12:14 history answered aschepler CC BY-SA 3.0