# Put fields in Array[counter]
    $Arrays[$counter] = split /\t/, $line;

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I think you meant: 

    $Arrays[$counter] = [ split /\t/, $line ];

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or even (with autovivification) — though I consider that less readable: 

    @{ $Arrays[$counter] } = split /\t/, $line;

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In scalar context (what you have), split returns the number of fields found (and older versions of Perl did split into the @_ array, issuing a "Use of implicit split to @_ is deprecated" warning).

In reply to Re^2: Create dynamically different array names based on counter incrementation by Anonyrnous Monk
in thread Create dynamically different array names based on counter incrementation by Anonymous Monk

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