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Re: action in debugger - how to turn off

by Khen1950fx (Canon)
on May 21, 2011 at 04:44 UTC ( #906040=note: print w/ replies, xml ) Need Help??

in reply to action in debugger - how to turn off

The debugger is doing what it was told to do:). What you need to do now is to delete the action.

a 68 print "hello world'
It'll print "hello world" every time it passes line 68 and will keep printing out until
A 68
That deletes the action.

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Re^2: action in debugger - how to turn off
by lcuff (Novice) on May 23, 2011 at 17:55 UTC

    I can't get it to work. I should have been more explicit in my original post. Here is my test code:

    #!/vcm/home/bin/perl -w use strict; use warnings; print "Hello world line 7\n"; print "Hello world line 8\n"; print "Hello world line 9\n"; print "Hello world line 10\n"; print "Hello world line 11\n"; print "Hello world line 12\n"; print "Hello world line 13\n"; print "Hello world line 14\n"; print "Hello world line 15\n"; print "Hello world line 16\n"; print "Hello world line 17\n"; print "Hello world line 18\n"; print "Hello world line 19\n"; print "Hello world line 20\n"; $ perl -v This is perl 5, version 12, subversion 1 (v5.12.1) built for x86_64-li +nux

    And here is the debugger interaction. The action gets set on line 10 with a  10 print "action print" . Neither using  A 10, which I try when after executing line 12, nor  A * , which I try after executing line 14, turns off the action printing. It keeps printing, once per line.

    $ perl -d Loading DB routines from version 1.33 Editor support available. Enter h or `h h' for help, or `man perldebug' for more help. main::( print "Hello world line 7\n"; DB<1> a 9 print "action print\n"; + DB<2> n + Hello world line 7 main::( print "Hello world line 8\n"; DB<2> n + Hello world line 8 main::( print "Hello world line 9\n"; action print DB<2> n + Hello world line 9 main::( print "Hello world line 10\n"; action print DB<2> n + Hello world line 10 main::( print "Hello world line 11\n"; action print DB<2> n + Hello world line 11 main::( print "Hello world line 12\n"; action print DB<2> n + Hello world line 12 main::( print "Hello world line 13\n"; action print DB<2> A 10 + DB<3> n + Hello world line 13 main::( print "Hello world line 14\n"; action print DB<3> n + Hello world line 14 main::( print "Hello world line 15\n"; action print DB<3> A * + Deleting all actions... DB<4> n + Hello world line 15 main::( print "Hello world line 16\n"; action print DB<4> n + Hello world line 16 main::( print "Hello world line 17\n"; action print DB<4> n + Hello world line 17 main::( print "Hello world line 18\n"; action print

      Hello. I am experiencing the exact same thing, with the addition that when the variable I am printing out goes out of scope, the debugger complains mightily. Is there a resolution to this?

      I am running Strawberry Perl V5.14.2.1-64bit on Windows 7. Thanks for any help, RTFM links, etc.

      I can replicate the problem in blead. perlbug?
      لսႽ ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

      Looks like a problem 'use strict' would have caught. It can be fixed by just inserting one line into "sub DB" of

      my $action;

      Update (late): Broken by:

      commit 04e43a21088e2c6b07ebde9e57007350cfd7310b Author: Daniel S. Lewart <> Date: Tue May 22 21:18:03 2001 -0500


      - if (($stop,$action) = split(/\0/,$dbline{$line})) { + if ($dbline{$line} && (($stop,$action) = split(/\0/,$dbline{$line +}))) {

      But I'd still fix it by just putting a line before that:

      my( $stop, $action );

      There's nothing like fixing a decade-old bug.

      - tye        

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