Perl's original designer was Larry Wall (Larry Wall), which was published on December 18, 1987. Perl borrows the features of C, sed, awk, shell scripting, and many other programming languages. Larry Wall Published version 1.0 of the Perl scripting
Which platforms have Perl on? Where are we going to find them?
The standard release of Perl (maintained by the Perl Development Group) is distributed only in the original code form. You can obtain it at http://www.perl.com/cpan/src/latest.tar.gz.
Author: hoowa Source: AKA magazine
"How did Larry Wall invent a messy programming language-and then changed the Web landscape? "
Larrywall smiled and recalled the message that David Filo, the co-founder of Yahoo, sent to him a few years ago,
What is Perl?
Perl is a high-level programming language, written by Larry Wall and many others, and incorporates the characteristics of many languages. It is mainly by the ubiquitous C language, followed by the SED, Awk,unix shell and at least a
one. DataType (data type ):Perl's data types are roughly four: Scalar (variables), Scalar Array (array), hash array (hash), References (pointer), but they seem to be small but more than sufficient. In particular, you can write a Perl program without
I. Data Types(Data type):
Perl has four data types: Scalar (variable), Scalar Array (Array), Hash Array (Hash), and References (pointer ), it seems to be rare, but it is more than enough to use it. Especially when writing Perl programs, you do not
Interactive publishing network computer channel. A book tutorial for you on the Perl language is recommended. Includes Perl push, Perl Chomp, and Perl python content.perl language book One, "Perl Language Programming fourth edition (in the book)
Reference
Common Perl Command Line options
Common unix Commands: perl implements sed awk tr nl
Perl, sed, awk, tr, grep, nl, and other common commandsSed
Task
Sed
Perl
Replace12WithTwelve
sed 's/12/twelve/g'
perl -pe '
Http://www.mdbbs.org/thread-28471-1-1.html This is a reference method when I learn Perl, I feel very good, share with you:
Each person has different learning methods. The following are some examples for your reference.
If Perl is the first
Learning Perl 4ed Reading Notes
Chapter2 scalar data1. Numbers. All data (INT, float) is of the double type in Perl. Of course, sometimes Perl also uses integer to represent int internally, because this can improve the running speed of the program,
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