It
stands for Practical Extraction and Report Language.
If you have basic knowledge of C or UNIX Shell then PERL is
very easy to learn!
PERL Features
- Perl takes the best features
from other languages, such as C, awk, sed, sh, and BASIC, among others.
- Perl database integration
interface supports third-party databases including Oracle, Sybase, MySql and
others.
- Perl works with HTML, XML, and
other mark-up languages.
- Perl supports Unicode.
- Perl is Y2K compliant.
- Perl supports both procedural
and object-oriented programming.
- Perl interfaces with external
C/C++ libraries through XS or SWING
- Perl is extensible. There are
over 500 third party modules available from the Comprehensive Perl Archive
Network
- The Perl interpreter can be
embedded into other systems.
PERL AND WEB
- Perl is the most popular web programming language due to its text manipulation capabilities and rapid development cycle.
- Perl can handle encrypted Web data, including e-commerce transactions.
- Perl can be embedded into web servers to speed up processing by as much as 2000%.
Execution process of perl
Traditional compilers convert
programs into machine language. When you run a Perl program, it's first
compiled into a byte code, which is then converted ( as the program runs) into
machine instructions. So it is not quite the same as shells, or Tcl, which are "strictly"
interpreted without an intermediate representation. Nor it is like most
versions of C or C++, which are compiled directly into a machine dependent
format. It is somewhere in between, along with Python and
awk and
Emacs .elc files.
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