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 $ cat samples/git_install.pl
 #!/usr/bin/perl

 use strict;
 use warnings;

 use lib "$ENV{HOME}/.enbld/extlib/lib/perl5/";

 use Enbld;

 enbld 'mydevenv' => build {

     target 'git' => define {
         version 'latest';
     };
 }

=head3 Run as perl script

 $ ./samples/git_install.pl

=head3 Finish installation

 $ git --version
 git version [latest version]

=head3 Upgrade

Then, if the newer version is released, please run script again.

 $ ./samples/git_install.pl

The latest version will be installed.

=head2 INSTALL SPECIFIC VERSION

A specific version is specified in a conditions script. -> version '5.18.1';

 $ cat samples/specific_version_install.pl
 #!/usr/bin/perl
    
 use strict;
 use warnings;
    
 use lib "$ENV{HOME}/.enbld/extlib/lib/perl5/";
    
 use Enbld;
    
 enbld 'mydevenv' => build {
    
     target 'perl' => define {
         version '5.18.1';
     };
    
 };

'perl 5.18.1' is installed.

 $ perl -v

 This is perl 5, version 18, subversion 1 (v5.18.1) built for ...

=head2 ADD ARGUMENTS

'arguments' method adds an additional arguments to 'configure' script.

 target 'perl' => define {
     version '5.18.1';
     arguments '-Dusethreads';
 };

perl 5.18.1 with thread is builded.

 $ perl -v
    
 This is perl 5, version 18, subversion 1 (v5.18.1) built for darwin-thread-multi-2level

=head2 INSTALL SOFTWARE WHICH DEPENDS 

When using Enbld at OS X, Enbld also solve the dependencies between softwares automatically.

For example, when the is equal to which needs a libidn library for wget, and Enbld install wget, they also install libidn automatically.

  $ enblder install wget
  =====> Start building target 'wget'.
  =====> Found dependencies.
  --> Dependency 'libidn'.
  --> libidn is not installed yet.
  =====> Start building target 'libidn'.

Please solve the software which needs the fix patterns of a dependencies at that of a many using the package Management manager of operating system in operating system of Linux and BSD(s) other than OS X.

=head2 UTILITY COMMAND 'enblder'

Enbld installs utility command 'enblder'.

The main commands are shown below. 

The description of all commands are shown by C<perldoc enblder>.

=head3 Displays available software

Subcommand 'available' displays software list that can install by Enbld.

 $ enblder available

The name displayed on this list is used for the name of the Software which I specify as a condition script. 

=head3 Install the software

subcommand 'install' installs the latest version of the software.

Use to install Software, without writing a condition script.

Then the 'freeze' subcommand is used, displays the conditions script reflecting the installation.

=head3 Displays installed software

Subcommand 'list' displays software list that is installed.

 $ enblder list

=head3 Displays conditions script

Subcommand 'freeze' displays the condition script reproducing the software of an installed. 

 $ enblder freeze

If the displayed content is redirected to a text file, it will become a script of perl which can be performed as it is. 

 $ enblder freeze > conditions.pl
 $ chmod +x conditions.pl
 $ ./conditions.pl

=head3 Displays outdated software