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Hash of arrays question
before this there is a while loop and $level is initialized before that. $level is like a counter so it is incremented each time the while loop executes. Would there be a problem if $hash{$level} is undefined and I am trying to get the length of that undefined array? -
Hash of arrays question
$level is defined in my code. I redid the length line as you recommended, but now I get no output at all. :( -
Hash of arrays question
Kevin, I tried what you said and I got this error: "Can't use an undefined value as an ARRAY reference -
Hash of arrays question
It gives an error saying that you cannot put in a slice of a hash. Well it did when I used push -
Hash of arrays question
So, I have a hash of array. The hash and arrays are initialized without a given length, so both are supposed to expand. I have isolated my problem to the latter 2 of the following three lines. my $oldLength = @hash{$level}; $hash{$currentLevel}[$oldLength]=$var1...
