NAME

       Rex::Shared::Var - Share variables across Rex tasks

DESCRIPTION

       Share variables across Rex tasks with the help of Storable, using a "vars.db.$PID" file in
       the local directory, where $PID is the PID of the parent process.

SYNOPSIS

        BEGIN {                           # put share in a BEGIN block
          use Rex::Shared::Var;
          share qw($scalar @array %hash); # share the listed variables
        }

METHODS

   share
       Share the passed list of variables across Rex tasks. Should be used in a "BEGIN" block.

        BEGIN {
          use Rex::Shared::Var;
          share qw($error_count);
        }

        task 'count', sub {
          $error_count += run 'wc -l /var/log/syslog';
        };

        after_task_finished 'count', sub {
          say "Total number of errors: $error_count";
        };