[Bioperl-l] Bio/SearchIO/Writer/GbrowseGFF.pm

Hilmar Lapp hlapp at gmx.net
Tue Mar 4 15:24:13 UTC 2008


On Mar 4, 2008, at 7:03 AM, Alexie Papanicolaou wrote:

> Use of uninitialized value in concatenation (.) or string at /usr/ 
> local/share/perl/5.8.8/Bio/SearchIO/Writer/GbrowseGFF.pm line 287
>
> line 287 is
>            else {
>                $tags{'Target'} = "$prefix:$seqname $qpmax $qpmin";
>            }


Note that this is a warning, not an error. However, if none of  
$prefix, $seqname, $qpmax, $qpmin can be undefined (or be equal to an  
empty string, which they will default to if undefined) at this  
position, then there is a problem (and it is before the above line).

	-hilmar
-- 
===========================================================
: Hilmar Lapp  -:-  Durham, NC  -:-  hlapp at gmx dot net :
===========================================================






More information about the Bioperl-l mailing list