Since foreach can optionally take a variable on the outside, perl interprets keys as the name of that variable, with the parans around %hash indicating the array you want to iterate over. In other words, it was expecting this:

foreach $keys (%hash) { . . . }

[download]

But since it didn't see the sigal, it threw an error about that.

----
I wanted to explore how Perl's closures can be manipulated, and ended up creating an object system by accident.
-- Schemer

: () { :|:& };:

Note: All code is untested, unless otherwise stated

In reply to Re: Missing $ on loop variable? by hardburn
in thread Missing $ on loop variable? by Cody Pendant

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