Perl 学习手札之一： introduction
1. prerequistites:
have a basic understanding of programming
should have experience writing working code in modern programming language:
C, java, JSP, PHP, Python.
Use a system with Perl 5 installed.
recommended: Perl 5.10.
have a text editor.
2. what is Perl?
Perl is a programming language.
it's interpreted.
it's designed for text processing.
it's a general-purpose, high-level language.
it has a simple and flexible syntax.
there is more than one way to do it.
"Swiss Army chansaw" of programming language.
perl is the interpreter for the Perl language.
3. demo:
in terminal: perl -v/ perl -V
perl hello.pl
source code:
#!/usr/bin/perl
use strict;
use warnings;
print "Hello, World!\n";
4. download from activestate.com and install the activeperl newest version.
5. when using eclips as develop IDE, we must install EPIC.
www.epic-ide.org
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