undisplay [display-number ...]
Cancel some expressions to be displayed when program stops. Arguments are the code numbers of the expressions to stop displaying. No argument means cancel all automatic-display expressions.
info display
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.