Re^2: Data::Table - empty values

Wrong warning category.

>perl -wle"no warnings 'uninitialized'; print '' + 4"
Argument "" isn't numeric in addition (+) at -e line 1.
4

>perl -wle"no warnings 'numeric'; print '' + 4"
4
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When in doubt use diagnostics or consult perldiag.

>perl -Mdiagnostics -wle"print '' + 4"
Argument "" isn't numeric in addition (+) at -e line 1 (#1)
    (W numeric) The indicated string was fed as an argument to an oper
+ator
    that expected a numeric value instead.  If you're fortunate the me
+ssage
    will identify which operator was so unfortunate.

4
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Comment on Re^2: Data::Table - empty values - avoid warnings Select or Download Code

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Re^3: Data::Table - empty values - avoid warnings by GertMT (Hermit) on Oct 24, 2007 at 19:26 UTC
Thanks, often it directs me to the solution as well but couldn't think of a 'generic' enough fix. I tried something like: `$t->colsMap(sub { $_->[2] = $_->[0] + $_->[1] if ( length( $_->[1] ) > 0 ) } );` but that only worked in case of blanks. Happy to have found some alternatives. thanks again.	[reply] [d/l]