# For regex diagnostics use re 'debug'; # For detailed regex explanations use YAPE::Regex::Explain; my $regex=YAPE::Regex::Explain->new(qr/.../); print $regex->explain; # For opcode and optimizer details perl -MO=Concise ... # Almost like ctags perl -MO=Xref myscript.pl >myscript.xref # Profiling perl -d:DProf test.pl # Dependencies perl -l -MSOAP::Lite -e 'foreach (keys %INC) {s#/#::#g; chop;chop;chop; print}' # Options GetOptions help => sub {usage; exit}, verbose => \(my $verbose = 1), # Defaults to 1 "debug=i" => \ my $debug, silent => \ my $silent, or die "....";