foreach my $hour (map { sprintf "%02d", $_ } 0 .. 23) {
   # Do Stuff Here
}

[download]
No need to use sprintf there, just use strings: 
foreach my $hour ( '00' .. '23' ) {
   # Do Stuff Here
}

[download]

In reply to Re^2: Perl Hash Files by jwkrahn
in thread Perl Hash Files by blundell

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