In Chapter 12 of Learning Perl, we have an exercise for people to practice using the file test operators. Our answer, which can only use the stuff we’ve covered in the book to that point, is simple: Continue reading “Ruling the world with Perl and Excel”
Perl 5.18 added vertical tab (or LINE TABULATION in the UCS) to the characters that match the
\s character class shortcut. It’s the one exception that made that shortcut different from the POSIX definition of whitespace. For the details, see my posts in The Effective Perler: The vertical tab is part of \s in Perl 5.18. Continue reading “The vertical tab now matches \s”
O’Reilly Media has been making a video series to go along with their popular books. Randal Schwartz taught the Learning Perl course in front of the cameras and you can now buy it for your own viewing. You can also see it through Safari Books Online.
Here’s a preview: