Any ideas how to tackle this problem is welcome
Create a hash of arrays, where the hash keys are the elements one the first line, and the array elements are values from each column respectively. Read perldata, perlfaq4.
$ perl -w 641872.pl
$VAR1 = {
'EYES' => [
'BLUE',
'BROWN'
],
'AGE' => [
'32',
'54'
],
'HAIR' => [
'BLONDE',
'BROWN'
]
};
Update: The implementation is intentionally excluded since this is an obvious homework question. Memory concerns are considered out of scope. In real life I would probably use cut (Unix).
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