Hello,
I built a hash as follows:

# build hash
while() {
...
$hshFoo{$key1}{$key2} = $strFileName;
...
# key1 is a number
# key2 is a sequential number
}
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When I attempt to reference the hash I get the following:

    foreach $key (keys %hshFoo) {
        print "  $key => $hshFoo{$key}\n";
    }
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Output:  
  6137 => HASH(0x1ddba60)
  2823 => HASH(0x1ddbd18)
  6598 => HASH(0x1ddbc88)
  4156 => HASH(0x1ddbd00)

Whereas "HASH(0x1ddba60)" contains:

6137 =>
    0 => file1.xml
    1 => file2.xml
    2 => file3.xml

What is the best way to reference the 2nd hash? I tried to create a temp hash of $hshFoo{$key} to loop through, but that failed. I need to be able to reference the 2nd key+value pair; in this case of the hash "HASH(0x1ddba60)". I tried this also...

    foreach $key2 (keys $hshFoo{$key}) {
        ...
    }

Type of arg 1 to keys must be hash (not hash element) at foo.pl line
 341, near "}) "
BEGIN not safe after errors--compilation aborted at foo.pl line 431.
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-P0w3rK!d