info watch [watchpoint1 watchpoint2 ...]
List watch information. If watchpoints are specified, only information about them is shown. If no watchpoints are specified, show information about all watchpoints.
watch
To install Devel::Trepan, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Devel::Trepan
CPAN shell
perl -MCPAN -e shell install Devel::Trepan
For more information on module installation, please visit the detailed CPAN module installation guide.