Front page | perl.perl5.porters |
Postings from August 2008
Citeren Steve Hay <SteveHay@planit.com>: > Bram via RT wrote: >> On Fri Nov 16 06:46:06 2007, stmpeters wrote: >>> On Thu May 19 03:49:55 2005, shay wrote: >>>> This is a bug report for perl from steve.hay@uk.radan.com, >>>> generated with the help of perlbug 1.35 running under perl v5.8.6. >>>> >>>> I believe that the following program should print "OK" 5 times >>>> over, but it prints "NOT OK" from the first line. >>>> >>>> print qq[>10\n] =~ />\d+$ \n/ix ? "OK\n" : "NOT OK\n"; >>>> print qq[>1\n] =~ />\d+$ \n/ix ? "OK\n" : "NOT OK\n"; >>>> print qq[>10\n] =~ /\d+$ \n/ix ? "OK\n" : "NOT OK\n"; >>>> print qq[>10\n] =~ />\d\d$ \n/ix ? "OK\n" : "NOT OK\n"; >>>> print qq[>10\n] =~ />\d+$ \n/x ? "OK\n" : "NOT OK\n"; >>>> >>>> I get the same behaviour with 5.6.0 through to 5.8.6 and bleadperl, >>>> all on Windows XP. >>>> >>> >>> I just ran this with a recent blead and got... >>> >>> [steve@sulu ~]$ /tmp/bleadperl/bin/perl5.10.0 rt_35877.t >>> OK >>> OK >>> OK >>> OK >>> OK >>> >>> Can you a few other people double check just to make sure this isn't >>> a heisenbug? >>> >>> Thanks, >>> >>> Steve Peters >> >> I'm not sure if tests for this were added so a patch with the tests of >> the report is attached. > > Are my eyes just glazing over, or have you got this slightly different > to the original bug report? > > Your patch has > > />\d+$ \n/ix >10\n > /\d+$ \n/ix >1\n > /\d+$ \n/ix >10\n > />\d\d$ \n/ix >10\n > />\d+$ \n/x >10\n > > but the original bug report had > > />\d+$ \n/ix >10\n > />\d+$ \n/ix >1\n > /\d+$ \n/ix >10\n > />\d\d$ \n/ix >10\n > />\d+$ \n/x >10\n > > You seem to have missed a '>' from the second test. > > It actually fails either way with maint, and works either way with > blead, so it probably doesn't matter. I just wondered if there was some > significance to your change? The change was unintended... New patch attached. In the meantime I've also done a binary search which says that the problem was fixed with Change 29441. test_35877.pl #!/usr/bin/perl print qq[>10\n] =~ />\d+$ \n/ix ? "ok\n" : "not ok\n"; ./perl-p-5.9.4\@29440/miniperl test_35877.pl not ok ./perl-p-5.9.4\@29441/miniperl test_35877.pl ok http://public.activestate.com/cgi-bin/perlbrowse/p/29441 Change 29441 by rgs@marais on 2006/12/03 18:37:15 Subject: Re: [perl #41010] (?(COND)) in pattern matching not working properly From: demerphq <demerphq@gmail.com> Date: Thu, 30 Nov 2006 01:12:25 +0100 Message-ID: <9b18b3110611291612i137803f4lab2739e3d9af40f7@mail.gmail.com> (Your mail got lost in my inbox... else I would have replied sooner)Thread Previous | Thread Next