in reply to Re^2: Convenient way to use 5.10 features in perldebugger?
in thread Convenient way to use 5.10 features in perldebugger?

Well, it isn't really changing the source, just having a local version of it, and if you have it in your PERL5LIB, enabling or disabling it is just a matter of setting or unsetting PERL5DB. Also worth noting is this is not limited to just enabling 'features' but you can add modules you use a lot in debugging (Data::Dumper, YAML, JSON, etc), or subs you write yourself.
  • Comment on Re^3: Convenient way to use 5.10 features in perldebugger?

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Re^4: Convenient way to use 5.10 features in perldebugger?
by LanX (Saint) on Aug 15, 2010 at 18:03 UTC
    I really appreciate your suggestion, but don't you think there should be an easier approach?

    And if not shouldn't it be a feature request?

    I tried to experiment with the < command but it seems I don't really understand how they work ...

    Cheers Rolf

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      Well I think it should have been added to the default perl5db.pl when the feature pragma was first written, but perhaps we'll see that still. What issues are you having with pre-prompt commands? It seems they have their own separate scope too, so setting features here is also ineffective.
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        > What issues are you having with pre-prompt commands?

        shouldn't

        < use feature "say" work?

        or shouldn't

        < print "huhu" show a message?

        UPDATE:

          DB<3> < print "huhu"
  DB<4> 
 
  DB<4> <<
pre-perl commands:
    << -- print "huhu"
  DB<5> h <
< ?            List Perl commands to run before each prompt.
< expr        Define Perl command to run before each prompt.
<< expr        Add to the list of Perl commands to run before each pro
+mpt.
< *                Delete the list of perl commands to run before each
+ prompt.

        [download]

        Cheers Rolf

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