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+---
+layout: post
+category: perl
+title: Upgrading to perl 5.10
+---
+
+Get the list of your installed 5.8 modules:
+
+{% highlight bash %}
+perl -MExtUtils::Installed -e'print join("\n", new ExtUtils::Installed->modules)' > module.list
+{% endhighlight %}
+
+then install Perl 5.10:
+
+{% highlight bash %}
+wget http://www.cpan.org/src/perl-5.10.0.tar.gz
+tar xzf perl-5.10.0.tar.gz
+cd perl-5.10.0
+sh Configure -de -Dprefix=/opt/perl -Duserelocatableinc
+make && make test
+sudo make install
+/opt/perl/bin/perl -e 'use feature qw(say); say "hi"'
+{% endhighlight %}
+
+and then re-install your modules
+
+{% highlight bash %}
+cpan `cat module.list`
+{% endhighlight %}