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01.15.08
Playing With Perl 5.10
 By
A.P. Lawrence
While we were all busy getting ready for the holidays, version 5.10 of Perl appeared on CPAN.
That surprised me, because I thought the next Perl I'd see would be the dreaded Perl 6.. I don't know when that will be (earlier in 2007 the project manager said "The Perl 6 project has no schedule") but I keep hearing things about February.. oh well, forget about that, here's 5.10 to play with.
I downloaded it from CPAN, unpacked the tar file and took a quick look at the README and the README.macosx - nothing to get excited or worried about there. But still, I'd hate to break any of my current scripts, so it would seem best to install it locally first rather than overwriting Apple's Perl. The package is designed to be helpful in that respect: I made a ~/perl510 directory and then (in the unpacked perl-5.10.0 directory) did:
Oh, that's just Perl not grokking old MacOSX filesystem case insensitivity (my machine predates Apple changing its mind about this stuff, and upgrades don't change the underlying filesystem). That shouldn't be a show-stopper, so I proceeded with "make install" and soon had a working Perl 5.10
The first thing I looked at was the new "smart matching" operator (~~). This is "smart" because it doesn't matter what you are comparing - you can pretty much use this with
anything:
That's just the beginning though: you can search arrays or hashes:
Continue reading this article.
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