Hi Martin, On Wed, 08 Aug 2012 11:44:10 +0200 "Martin Barth" <mar...@senfdax.de> wrote:
> Hello Everyone, > > I am slightly confused... > > I've got a Centos 6.3 Installation with its perl (version 5.10.1) and > i am Using the Module List::MoreUtils which comes with the Linux > Distribution. > > [root@bach perl-lib]# cd /tmp/ > [root@bach tmp]# perl -MList::MoreUtils -MData::Dumper -wle 'print > Dumper List::MoreUtils::minmax(1..4)' > $VAR1 = 1; > $VAR2 = 4; > > [root@bach tmp]# perl -MList::MoreUtils -MData::Dumper -wle 'print > Dumper List::MoreUtils::minmax(1)' > Use of uninitialized value in subroutine entry at -e line 1. > $VAR1 = undef; > $VAR2 = 1; > > So I looked at the Sources of MoreUtils.pm and checked the minmax > function. (BTW: Its version 0.22 of the Module) -> > http://pastebin.com/Y7BB0e45 > perl-5.10.1 is very old and no longer actively maintained. There's already perl-5.16.0. List::MoreUtils is at version 0.33: https://metacpan.org/release/List-MoreUtils . Your original snippet works fine for me: perl -MList::MoreUtils -MData::Dumper -wle 'print Dumper List::MoreUtils::minmax(1)' $VAR1 = 1; $VAR2 = 1; Note that List::MoreUtils has both XS and pure-Perl versions of its routines, and it is possible there is still a bug in the pure-Perl version. Anyway, on Red Hat-based distribution, the general recommendation is to use something like perlbrew: http://perlbrew.pl/ Regards, Shlomi Fish -- ----------------------------------------------------------------- Shlomi Fish http://www.shlomifish.org/ First stop for Perl beginners - http://perl-begin.org/ <danderson> “We are NO LONGER the knights who say ‘BitKeeper’. We are now the knights who say ‘git, git, git, cogito — Linus!’.” Please reply to list if it's a mailing list post - http://shlom.in/reply . -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
