sulfericacid noted the braces .. To answer your other question (secondary sort), just add an "or" clause in there: 
foreach (  sort { $hash{$a} cmp $hash{$b} || $a cmp $b } keys %hash  )
+{

[download]
Update: fixed missing paren typo as pointed out by QM
Update: note that parens or or aren't necessary -- cmp is higher precdence (see perlop than ||

In reply to Re: sort hash by value by davidrw
in thread sort hash by value by Anonymous Monk

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