Re^2: Difference Quantity of two Arrays

Thanks all for your answers and especially the explanation of ikegami.

But what does the ++ after $skippables{$_} do?

# populate the hash with the skippables
$skippables{$_}++ for @skip_dbs;
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Re^3: Difference Quantity of two Arrays by ikegami (Patriarch) on Jan 02, 2007 at 15:51 UTC
It's the increment operator. When dealing with numbers (or undef), `$a++` means `$a = $a + 1` except it won't issue a warning if `$a` is undefined.	[reply] [d/l] [select]