Changes

== NAME ==

== NAME ==

perlintro -- a brief introduction and overview of Perl

perlintro -- a brief introduction and overview of Perl,if you are looking to found the complete edition of perl documentation, see http://perldoc.perl.org/index.html

you can find the source of this Tutorial http://perldoc.perl.org/perlintro.html

you can find the source of this Tutorial http://perldoc.perl.org/perlintro.html

== DESCRIPTION ==

== DESCRIPTION ==

         }

         }

    The C style for loop is rarely needed in Perl since Perl provides the more friendly list scanning '''foreach''' loop.

The C style for loop is rarely needed in Perl since Perl provides the more friendly list scanning '''foreach''' loop.

==== foreach ====

==== foreach ====

         }

         }

    The '''foreach''' keyword is actually a synonym for the for keyword. See [http://perldoc.perl.org/perlsyn.html#Foreach-Loops Foreach Loops in perlsyn].

The '''foreach''' keyword is actually a synonym for the for keyword. See [http://perldoc.perl.org/perlsyn.html#Foreach-Loops Foreach Loops in perlsyn].

For more detail on looping constructs (and some that weren't mentioned in this overview) see [http://perldoc.perl.org/perlsyn.html perlsyn].

For more detail on looping constructs (and some that weren't mentioned in this overview) see [http://perldoc.perl.org/perlsyn.html perlsyn].

=== Builtin operators and functions ===

=== Builtin operators and functions ===

Perl comes with a wide selection of builtin functions. Some of the ones we've already seen include '''print''', '''sort''' and '''reverse'''. A list of them is given at the start of perlfunc and you can easily read about any given function by using '''perldoc -f functionname'''.

Perl comes with a wide selection of builtin functions. Some of the ones we've already seen include '''[http://perldoc.perl.org/functions/print.html print]''', '''[http://perldoc.perl.org/functions/sort.html sort]''' and '''[http://perldoc.perl.org/functions/reverse.html reverse]'''. A list of them is given at the start of [http://perldoc.perl.org/perlfunc.html perlfunc] and you can easily read about any given function by using '''perldoc -f functionname'''.

Perl operators are documented in full in perlop, but here are a few of the most common ones:

Perl operators are documented in full in [http://perldoc.perl.org/perlop.html perlop], but here are a few of the most common ones:

==== Arithmetic ====

==== Arithmetic ====

         # in $a

         # in $a

The '''s///''' substitution operator is documented in [http://perldoc.perl.org/perlop.html perlop].

The '''[http://perldoc.perl.org/functions/s.html s///]''' substitution operator is documented in [http://perldoc.perl.org/perlop.html perlop].

 

==== More complex regular expressions ====

==== More complex regular expressions ====

Kirrily "Skud" Robert <skud@cpan.org>

Kirrily "Skud" Robert <skud@cpan.org>