Hi, First post; I'm a Perl virgin not even a noob!

I am trying to get ENMTools_1.4.4.pl running on Ubuntu 15.04.

According to the docs I need Tk+ and Perl. How do I:
- Check the versions that i may already have?
- update/install the latest versions?
- launch the *.pl script?

I tried:
/usr/bin/perl ./ENMTools_1.4.4.pl

I currently get:

Can't locate Tkx.pm in @INC (you may need to install the Tkx module) (
+@INC contains: /etc/perl /usr/local/lib/i386-linux-gnu/perl/5.20.2 /u
+sr/local/share/perl/5.20.2 /usr/lib/i386-linux-gnu/perl5/5.20 /usr/sh
+are/perl5 /usr/lib/i386-linux-gnu/perl/5.20 /usr/share/perl/5.20 /usr
+/local/lib/site_perl .) at ./ENMTools.pl line 7.
BEGIN failed--compilation aborted at ./ENMTools.pl line 7
[download]

Any ideas?
Steve

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