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Re: Stopping code in eval

by liz (Monsignor)
on Jul 20, 2006 at 18:19 UTC ( #562662=note: print w/ replies, xml ) Need Help??

in reply to Stopping code in eval

If your only worry is about recursing too deeply, you could do something like this:

eval { use warnings 'recursion'; local $SIG{__WARN__} = sub { die "Too deep" if $_[0] =~ m#^Deep re +cursion# }; # your code }; # check $@ if you want to here
One of Perl's nice features is that it can actually output a warning when you're recursing too deeply (for whatever Perl considers to be "too deeply"). This trick changes that warning into an exit condition. This is a very simple case, if you need to keep the normal __WARN__ handler behaviour, things get a little more complicated.

Hope this helps.


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