Rocky Bernstein > Devel-Trepan-0.52 > Devel::Trepan::CmdProcessor::Command::Display

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display Perl-expression

Print value of expression Perl-expression each time the program stops.

Examples:

 display $a  # Display variable \$a each time we enter debugger
 display join(', ', @ARGV)  # show values of array @ARGV

If what you want to do is evaluate a Perl expression or statement once rather than every time the program stops, see eval.

See also undisplay, enable, disable.

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