I'm currently creating keys by joining a number of input .txt file fields:

my @F = split("\t", $_);
$freq{join "\t", @F[0..1],@F[3..4]}++;

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However the data is of mixed alphanumeric format, an example key would be:

1    12301    A    B

When it comes to printing and handling the hash contents, I want to be able to sort the keys numerically - by the first number and then by the second, so that it would print like this:

1    12301    A    B
1    12310    A    B
2    4501    A    B
2    15410    A    B

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And so forth.

Is this at all possible with the way the keys are currently created? Would it simply be easier to use a multidimensional hash and then nested loops to try and handle accessing the elements?

In reply to Sorting a hash that has mixed-format keys by K_Edw

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