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.\" ========================================================================
.\"
.IX Title "Rex::Shared::Var 3pm"
.TH Rex::Shared::Var 3pm "2016-07-21" "perl v5.22.2" "User Contributed Perl Documentation"
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.SH "NAME"
Rex::Shared::Var \- Share variables across Rex tasks
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Share variables across Rex tasks with the help of Storable, using a \f(CW\*(C`vars.db.$PID\*(C'\fR file in the local directory, where \f(CW$PID\fR is the \s-1PID\s0 of the parent process.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 4
\& BEGIN {                           # put share in a BEGIN block
\&   use Rex::Shared::Var;
\&   share qw($scalar @array %hash); # share the listed variables
\& }
.Ve
.SH "METHODS"
.IX Header "METHODS"
.SS "share"
.IX Subsection "share"
Share the passed list of variables across Rex tasks. Should be used in a \f(CW\*(C`BEGIN\*(C'\fR block.
.PP
.Vb 4
\& BEGIN {
\&   use Rex::Shared::Var;
\&   share qw($error_count);
\& }
\&
\& task \*(Aqcount\*(Aq, sub {
\&   $error_count += run \*(Aqwc \-l /var/log/syslog\*(Aq;
\& };
\&
\& after_task_finished \*(Aqcount\*(Aq, sub {
\&   say "Total number of errors: $error_count";
\& };
.Ve