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Re^4: Loosing Negative Values in Array Ref

by Anonymous Monk
on Jun 03, 2009 at 14:43 UTC ( #768029=note: print w/ replies, xml ) Need Help??


in reply to Re^3: Loosing Negative Values in Array Ref
in thread Loosing Negative Values in Array Ref

This is very close, see the values for "Zilda Mil", it should display "14.0" but instead its getting the "9.0".


Comment on Re^4: Loosing Negative Values in Array Ref
Re^5: Loosing Negative Values in Array Ref
by Thelonius (Curate) on Jun 03, 2009 at 16:01 UTC
    This is very close, see the values for "Zilda Mil", it should display "14.0" but instead its getting the "9.0".
    Hmmm, yes, this is because it's using 'gt' rather than '<'. I copied the regex from your program. The best solution (if you're on Perl 5.8 or later) is to use looks_like_number:
    use Scalar::Util 'looks_like_number'; for my $aref_acc_num (sort { $a->[0] cmp $b->[0] } values %$acc_num) { push @$all_dta_acc_num, my $tmp = []; for my $aref (@$aref_acc_num) { for my $i (0..1) { $tmp->[$i] = $aref->[$i]; } for my $i (2..$#$aref) { if (!defined($tmp->[$i])) { $tmp->[$i] = $aref->[$i]; } elsif (looks_like_number($tmp->[$i])) { $tmp->[$i] = $aref->[$i] if $aref->[$i] > $tmp->[$i]; } else { $tmp->[$i] = $aref->[$i] if $aref->[$i] gt $tmp->[$i]; } } } }
    If you're on an earlier Perl, see perlfaq4.

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