When you say @{bareword}, Perl doesn't do anything to the bareword, and thinks you're just enclosing the variable name in braces. The reason this is useful is when you're printing something like "the ${n}th time", where you want $n, not $nth.

The + here disambiguates things; it tells Perl that this is not just a "roped-off" variable name, it's an expression to be evaluated.

_____________________________________________________
Jeff japhy Pinyan, P.L., P.M., P.O.D, X.S.: Perl, regex, and perl hacker
How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart

In reply to Re^4: (CLPM) reorder via swap by japhy
in thread (CLPM) reorder via swap by japhy

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