If I was forced to program in another language, the Perl language feature I would miss most would be:Note, I'm not talking about CPAN, the testing infrastructure or anything "big". I'm interesting in what makes Perl so nice to use when you're working at the coalface.

formats
heredocs
do blocks
block eval
array slices
qw operator
next and last
trailing commas
statement modifiers
variable interpolation
anonymous subroutines

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