Stanford CS Education Library: a 23 page introduction to the main features
of the Perl language. Perl has a large number of features, but you can
get pretty far just knowing a few core things, and that's what this article
is about. The coverage is pretty quick -- it's intended for people who
know some programming but need an introduction to Perl's way of doing things.
Topics include: scalar variables, strings, arrays, hash tables, file input
and output, regular expressions, and subroutines.
Or as a PDF: EssentialPerl.pdf--
same content, just in PDF format
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