This file is primarily to test services of OptreeCheck itself, ie checkOptree(). %gOpts provides test-state info, it is 'exported' into main::
doing use OptreeCheck runs import(), which processes @ARGV to process cmdline args in 'standard' way across all clients of OptreeCheck.
To install vars, copy and paste the appropriate command in to your terminal.
cpanm
cpanm vars
CPAN shell
perl -MCPAN -e shell install vars
For more information on module installation, please visit the detailed CPAN module installation guide.