roary -a => Use of uninitialized value in concatenation (.)

[tseemann]

Kraken version not happy:

016/08/24 13:30:14 Looking for 'kraken' - found /home/linuxbrew/.linuxbrew/bin/kraken
Use of uninitialized value in concatenation (.) or string at /bio/perl5/lib/perl5/Bio/Roary/External/CheckTools.pm line 129.
2016/08/24 13:30:14 Determined kraken version is
2016/08/24 13:30:14 Looking for 'kraken-report' - found /home/linuxbrew/.linuxbrew/bin/kraken-report
Use of uninitialized value in concatenation (.) or string at /bio/perl5/lib/perl5/Bio/Roary/External/CheckTools.pm line 129.
2016/08/24 13:30:14 Determined kraken-report version is
2016/08/24 13:30:14 Looking for 'mafft' - found /home/linuxbrew/.linuxbrew/bin/mafft
2016/08/24 13:30:15 Determined mafft version is 7.221

On command line:

$ kraken --version
Kraken version 0.10.5-beta
Copyright 2013-2015, Derrick Wood (dwood@cs.jhu.edu)

[tseemann]

Now getting this on more things:

017/08/20 08:54:25 Looking for 'kraken' - found /home/linuxbrew/.linuxbrew/bin/kraken
Use of uninitialized value in concatenation (.) or string at /home/linuxbrew/.linuxbrew/Cellar/perl/5.26.0/lib/perl5/site_perl/5.26.0/Bio/Roary/External/CheckTools.pm line 129.
2017/08/20 08:54:25 Determined kraken version is
2017/08/20 08:54:25 Looking for 'kraken-report' - found /home/linuxbrew/.linuxbrew/bin/kraken-report
Use of uninitialized value in concatenation (.) or string at /home/linuxbrew/.linuxbrew/Cellar/perl/5.26.0/lib/perl5/site_perl/5.26.0/Bio/Roary/External/CheckTools.pm line 129.
2017/08/20 08:54:25 Determined kraken-report version is
2017/08/20 08:54:25 Looking for 'mafft' - found /home/linuxbrew/.linuxbrew/bin/mafft
Use of uninitialized value in concatenation (.) or string at /home/linuxbrew/.linuxbrew/Cellar/perl/5.26.0/lib/perl5/site_perl/5.26.0/Bio/Roary/External/CheckTools.pm line 129.

[tseemann]

Fixed.