Hello Perl Land

$ perldoc perl

NAME
       perl - Practical Extraction and Report Language

SYNOPSIS
       perl [ -sTuU ]      [ -hv ] [ -V[:configvar] ]
            [ -cw ] [ -d[:debugger] ] [ -D[number/list]]
            [ -pna ] [ -Fpattern ] [ -l[octal] ] [ -0[octal] ]
            [ -Idir ] [ -m[-]module ] [ -M[-]'module...' ]
            [ -P ]      [ -S ]      [ -x[dir] ]
            [ -i[extension] ]
            [ -e 'command' ] [ -- ] [ programfile ] [ argument ]...

       For ease of access, the Perl manual has been split up into
       a number of sections:

           perl                Perl overview (this section)
           perldelta           Perl changes since previous version
           perl5004delta       Perl changes in version 5.004
           perlfaq             Perl frequently asked questions
           perltoc             Perl documentation table of contents

           perldata            Perl data structures
           perlsyn             Perl syntax
           perlop              Perl operators and precedence
           perlre              Perl regular expressions
           perlrun             Perl execution and options
           perlfunc            Perl builtin functions
           perlopentut         Perl open() tutorial
           perlvar             Perl predefined variables
           perlsub             Perl subroutines
           perlmod             Perl modules: how they work
           perlmodlib          Perl modules: how to write and use
           perlmodinstall      Perl modules: how to install from CPAN
           perlform            Perl formats
           perllocale          Perl locale support

           perlref             Perl references
           perlreftut          Perl references short introduction
           perldsc             Perl data structures intro
           perllol             Perl data structures: lists of lists
           perltoot            Perl OO tutorial
           perlobj             Perl objects
           perltie             Perl objects hidden behind simple variables
           perlbot             Perl OO tricks and examples
           perlipc             Perl interprocess communication
           perlthrtut          Perl threads tutorial

           perldebug           Perl debugging
           perldiag            Perl diagnostic messages
           perlsec             Perl security
           perltrap            Perl traps for the unwary
           perlport            Perl portability guide
           perlstyle           Perl style guide

print map{pack "H*",$_}('4a75737420416e6f74686572205065726c204861636b6572'=~m/(..)/g);print "$/";