Perl's Debug Tips

Commands to enter the debug environment of Perl: perl-d perl_file

Set breakpoints: line numbers in the B + Perl code.

Execute to Breakpoint: C represents continue until breakpoint.

Executes the next statement, does not go out of the subroutine: N for next, after the first input n, you can press the space bar directly, the default is still the last command.

Displays the value of the variable: print $_/$line [8] Displays the value of the variable or array.

Delete Breakpoint: line number in the B + Perl code. B * Indicates that all breakpoints are deleted.

Show Breakpoint Condition: L indicates list breakpoint.

Start again: R represents restart.

Stop Debugging: Q indicates quit, quit.

Other commands can be obtained by man/h.

Perl's Debug Tips