[Bioperl-l] Error with Pal2Nal: Can't call method "run" on an undefined value

[Jason Stajich]

Reading the documentation for the module can help - see the perldoc. For example:

	use Bio::Tools::Run::Alignment::Pal2Nal;

         # Make a Pal2Nal factory
         $factory = Bio::Tools::Run::Alignment::Pal2Nal->new();

On Oct 23, 2013, at 8:38 PM, Peng Wang <pwang521 at gmail.com> wrote:

> I am trying to use Pal2Nal through the scripts:
> 
> use Bio::Tools::Run::Alignment::Pal2Nal;
> $aln = $factory->run($pep_aln, $dnafile);
> 
> The system returned the error message:
> 
> Can't call method "run" on an undefined value at ...
> 
> 
> Anybody knows what the problem is and how I should fix it?
> 
> Thanks in advance.
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Jason Stajich
jason.stajich at gmail.com
jason at bioperl.org