Appendix B. Installing Perl
Perl is a popular programming language that is extensively used in
areas such as bioinformatics and web programming.
It's become popular with biologists because it is so
well suited to several bioinformatics tasks. This appendix is geared
to those who are attempting the language for the first time.Perl is also an application and is available (at no cost) to run on
all operating systems found in the average biology lab (Unix and
Linux, Macintosh, Windows, VMS, and more). The Perl application on
your computer takes a Perl language program (such as one of the
programs in this book), translates it into instructions the computer
can understand, and runs (or executes) it.The word Perl, then, refers both to the language in which you write
programs and to the application on your computer that runs those
programs. You can always tell from context which of these two
meanings is being used.Every computer language such as Perl needs to have a translator
application (an interpreter or compiler) that can turn programs into
instructions the computer can actually run. The Perl application is
often referred to as the Perl interpreter, and it includes a Perl
compiler as well. You will also see Perl programs referred to as Perl
scripts or Perl code. |
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