Perl Module Documentation

https://metacpan.org/pod/
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### Start Session with Defaults

Source: https://metacpan.org/pod/session

Example of starting an interactive session using all default settings.

```bash
session
```

--------------------------------

### N Start configuration

Source: https://metacpan.org/pod/Math%3A%3APlanePath%3A%3ACorner

Example of using n_start to change the starting index of the path.

```text
n_start => 0  5  |  25 ...  4  |  16 17 18 19 20  3  |   9 10 11 12 21  2  |   4  5  6 13 22  1  |   1  2  7 14 23Y=0  |   0  3  8 15 24      -----------------       X=0   1   2   3
```

--------------------------------

### Configure N Start

Source: https://metacpan.org/pod/Math%3A%3APlanePath%3A%3AAnvilSpiral

Example of using the 'n_start' parameter to change the starting integer value.

```text
n_start => 020-19-18-17-16-15-14-13 ...  \                 /  /   21  4--3--2--1 12 35     \  \     /  /  /      22  5  0 11 34     /  /        \  \   23  6--7--8--9-10 33  /                    \ 24-25-26-27-28-29-30-31-32
```

--------------------------------

### Vcpkg Quick Start Guide

Source: https://metacpan.org/pod/Alien%3A%3ABuild%3A%3APlugin%3A%3AProbe%3A%3AVcpkg

Steps to install Vcpkg, configure the environment, and install a package for use with Alien::Build.

```bash
# install VcpkgC:\> git clone https://github.com/Microsoft/vcpkg.gitC:\> cd vcpkgC:\vcpkg> .\bootstrap-vcpkg.batC:\vcpkg> .\vcpkg integrate install# update PATH to include the bin directory# so that .DLL files can be found by PerlC:\vcpkg> path c:\vcpkg\installed\x64-windows\bin;%PATH%# install the packages that you wantC:\vcpkg> .\vcpkg install libffi# install the alien that uses itC:\vcpkg> cpanm Alien::FFI
```

--------------------------------

### Install using Makefile.PL

Source: https://metacpan.org/pod/Test%3A%3ADistribution

Alternative command to initiate installation using Makefile.PL if Module::Build is not available.

```bash
perl Makefile.PL
```

--------------------------------

### Initialize application and configuration file

Source: https://metacpan.org/pod/Mojolicious%3A%3AGuides%3A%3ACookbook

Create a new application directory and a default configuration file.

```bash
$ mkdir myapp$ cd myapp$ touch myapp.pl$ chmod 744 myapp.pl$ echo '{name => "my Mojolicious application"};' > myapp.conf
```

--------------------------------

### line_column() example

Source: https://metacpan.org/pod/Marpa%3A%3AR2%3A%3AScanless%3A%3AR

Uses pause_span() to get the start location and span length, then calls line_column($start) to obtain the corresponding line and column as a 2-element array.

```Perl
my ( $start, $span_length ) = $re->pause_span();my ( $line,  $column )      = $re->line_column($start);
```

--------------------------------

### Full Parallel Execution Example

Source: https://metacpan.org/pod/distribution/GRID-Machine/lib/GRID/Machine/Group.pod

A complete script demonstrating the setup of machines, cluster creation, method installation, and parallel execution.

```perl
$ cat -n pi8.pl    1  #!/usr/bin/perl -w   2  use strict;   3  use GRID::Machine;   4  use GRID::Machine::Group;   5  use Data::Dumper;   6     7  my @MACHINE_NAMES = split /\s+/, $ENV{MACHINES};   8  my @m = map { GRID::Machine->new(host => $_, wait => 5, survive => 1) } @MACHINE_NAMES;   9    10  my $c = GRID::Machine::Group->new(cluster => [ @m ]);  11    12  $c->sub(suma_areas => q{  13     my ($id, $N, $np) = @_;  14         15     my $sum = 0;  16     for (my $i = $id; $i < $N; $i += $np) {  17         my $x = ($i + 0.5) / $N;  18         $sum += 4 / (1 + $x * $x);  19     }  20     $sum /= $N;   21  });  22    23  my ($N, $np, $pi)  = (1000, 4, 0);  24    25  print Dumper($c->suma_areas(args => [ map {  [$_, $N, $np] } 0..$np-1 ]));
```

--------------------------------

### Basic WebSocket Server Setup

Source: https://metacpan.org/pod/AnyEvent%3A%3AWebSocket%3A%3AServer

A minimal example demonstrating how to initialize a server and echo received messages back to the client.

```perl
use AnyEvent::Socket qw(tcp_server);use AnyEvent::WebSocket::Server;my $server = AnyEvent::WebSocket::Server->new();my $tcp_server;$tcp_server = tcp_server undef, 8080, sub {    my ($fh) = @_;    $server->establish($fh)->cb(sub {        my $connection = eval { shift->recv };        if($@) {            warn "Invalid connection request: $@\n";            close($fh);            return;        }        $connection->on(each_message => sub {            my ($connection, $message) = @_;            $connection->send($message); ## echo        });        $connection->on(finish => sub {            undef $connection;        });    });};
```

--------------------------------

### Complete Hello World application

Source: https://metacpan.org/pod/distribution/Win32-GUI/GENERATED/Win32/GUI/Tutorial/Part1.pod

A complete example combining window creation, label addition, and event handling.

```perl
use Win32::GUI();   $main = Win32::GUI::Window->new(        -name   => 'Main',        -width  => 100,        -height => 100,);   $main->AddLabel(-text => "Hello, world");   $main->Show();   Win32::GUI::Dialog();   sub Main_Terminate {       -1;   }
```

--------------------------------

### Install Setup via cpanm

Source: https://metacpan.org/pod/Setup

Command to install the Setup module using cpanm.

```bash
cpanm Setup
```

--------------------------------

### Example file.txt content

Source: https://metacpan.org/pod/distribution/App-sorted/script/sorted

Initial content for the first example scenario.

```text
123
```

--------------------------------

### get Method Example

Source: https://metacpan.org/pod/distribution/GRID-Machine/lib/GRID/Machine.pod

Example of using the get method to transfer files from a remote machine.

```perl
use GRID::Machine;my $m = GRID::Machine->new( host => shift(), startdir => 'tutu',);$m->put([ glob('nes*.pl') ]);$m->run('uname -a; pwd; ls -l n*.pl');print "*******************************\n";my $progs = $m->glob('nes*.pl')->results;$m->get($progs, '/tmp/');system('uname -a; pwd; ls -l n*.pl');
```

--------------------------------

### Example Output of Installed Subroutines

Source: https://metacpan.org/pod/distribution/GRID-Machine/lib/GRID/Machine/REMOTE.pod

The output produced by the previous example showing the list of installed subroutines.

```text
$ accessobject.pltarsysteminstalledgetcwdetc.
```

--------------------------------

### Configure server modules

Source: https://metacpan.org/pod/distribution/Poet/lib/Poet/Manual/Configuring.pod

Example of specifying a list of modules to load on server startup.

```text
server.load_modules:   - DBI   - List::Util   - MyApp::Foo   - MyApp::Bar
```

--------------------------------

### Manual installation of App::Utils

Source: https://metacpan.org/pod/save

Installs the distribution manually by running the Makefile, building, and installing.

```bash
$ perl Makefile.PL$ make$ make install
```

--------------------------------

### start([$start])

Source: https://metacpan.org/pod/Set%3A%3AFA%3A%3AElement

Get or set the start state. `start` is a parameter to `new([%args])`.

```APIDOC
## start([$start])

### Description
Get or set the start state. `start` is a parameter to `new([%args])`.

### Method
start

### Parameters
#### Optional Parameters
- **$start** - Optional - The start state to set.

### Usage
- When called without arguments, returns the current start state.
- When called with a value, sets the start state.
```

--------------------------------

### Manual Installation from Source

Source: https://metacpan.org/pod/distribution/DBIx-SQLEngine/SQLEngine/Docs/ReadMe.pod

Commands to unpack, configure, test, and install the distribution manually.

```bash
tar xzf DBIx-SQLEngine-*.tar.gzcd DBIx-SQLEngine-*perl Makefile.PLmake test && sudo make install
```

--------------------------------

### Install Setup via CPAN shell

Source: https://metacpan.org/pod/Setup

Commands to install the Setup module using the interactive CPAN shell.

```bash
perl -MCPAN -e shell
install Setup
```

--------------------------------

### $start = $entry->start

Source: https://metacpan.org/pod/Stone%3A%3AGB_Sequence

Get the start position of the sequence, currently always '1'.

```APIDOC
## $start = $entry->start

### Description
Get the start position of the sequence, currently always '1'.

### Method
start

### Parameters
None

### Returns
- **$start** (integer) - The start position of the sequence (always 1).
```

--------------------------------

### Install from source using Makefile.PL

Source: https://metacpan.org/pod/MarpaX%3A%3ADemo%3A%3ASampleScripts

Unpack the distribution and use ExtUtils::MakeMaker to install.

```bash
perl Makefile.PLmake (or dmake or nmake)make testmake install
```

--------------------------------

### Sample Configuration File Lines

Source: https://metacpan.org/pod/distribution/App-Context/lib/App/devguide.pod

Example lines from a .conf file showing variable assignments for perlinc, debugmode, showsession, gzip, and configFile.

```text
perlinc = /usr/ov/acoc/dev/src/Appx-Blue, /usr/ov/acoc/dev/lib/perl5/5.6.0
debugmode = record
showsession = 1
gzip = 1
configFile = app.pl
```

--------------------------------

### start

Source: https://metacpan.org/pod/Bio%3A%3ARangeI

Get or set the start of the range. Returns the start value, optionally accepts a new start value.

```APIDOC
## start

### Description
Get/set the start of this range.

### Usage
$start = $range->start();

### Returns
The start of this range.

### Arguments
Optionally allows the start to be set using $range->start($start).
```

--------------------------------

### Example Simple Configuration File

Source: https://metacpan.org/pod/Plugins%3A%3AStyle1

A sample linear configuration file demonstrating plugin definitions and nested plugin settings.

```text
sleeptime       1plugin SyslogScan::Daemon::BlacklistDetector as bld_bld_debug       0bld_plugin SyslogScan::Daemon::BlacklistDetector::Postfix rx_ourIP       127\.0\.0\.1 logpath        /var/log/mail.log debug          0bld_plugin SyslogScan::Daemon::BlacklistDetector::EmailNotify debug          1 notify         "John <root@localhost>" renotify_time  7200 forget_time    3600 sendfrom       root clean_time     1800 maxkeep        100
```

--------------------------------

### Install MySQL on Debian and start daemon

Source: https://metacpan.org/pod/Catalyst%3A%3AManual%3A%3ATutorial%3A%3A10_Appendices

Commands for Debian users to install MySQL client and server and start the MySQL daemon. Run as root.

```bash
apt-get install mysql-client mysql-server/etc/init.d/mysql start
```

--------------------------------

### Install MySQL on CentOS and start daemon

Source: https://metacpan.org/pod/Catalyst%3A%3AManual%3A%3ATutorial%3A%3A10_Appendices

Commands for CentOS users to install MySQL server and client and start the MySQL daemon. Run as root.

```bash
yum -y install mysql mysql-serverservice mysqld start
```

--------------------------------

### Implement a basic daemon with Daemon::Generic

Source: https://metacpan.org/pod/distribution/Daemon-Generic/lib/Daemon/Generic.pod

A minimal example showing how to initialize a daemon, read a configuration file, and run a loop.

```perl
my $sleeptime = 1;newdaemon(progname        => 'ticktockd',pidfile         => '/var/run/ticktockd.pid',configfile      => '/etc/ticktockd.conf',);sub gd_preconfig{my ($self) = @_;open(CONFIG, "<$self->{configfile}") or die;while(<CONFIG>) {        $sleeptime = $1 if /^sleeptime\s+(\d+)/;}close(CONFIG);return ();}sub gd_run{while(1) {        sleep($sleeptime);        print scalar(localtime(time))."\n";}}
```

--------------------------------

### Initialize Arch::Test::Framework

Source: https://metacpan.org/pod/Arch%3A%3ATest%3A%3AFramework

Basic usage example showing how to instantiate the framework, create an archive, a version, and a project tree.

```perl
use Arch::Test::Framework;my $fw = Arch::Test::Framework->new;my $archive = $fw->make_archive;my $version = $archive->make_version();my $tree = $fw->make_tree($version);## do something with $tree#$tree->import('initial import');
```

--------------------------------

### ReverseAdd sequence example

Source: https://metacpan.org/pod/Math%3A%3ANumSeq%3A%3AReverseAdd

An example sequence starting from 1.

```text
1,2,4,8,16,77,154,605,1111,2222,...
```

--------------------------------

### Example URL for Configuration File Selection

Source: https://metacpan.org/pod/distribution/App-Context/lib/App/devguide.pod

An example URL demonstrating how PATH_INFO is used to select a specific configuration file, such as ecommerce_shop.conf.

```text
http://www.officevision.com/cgi-bin/pub/p5ee/app/ecommerce/shop
```

--------------------------------

### Install dependencies and start MariaDB on Fedora

Source: https://metacpan.org/pod/distribution/DBD-MariaDB/lib/DBD/MariaDB/INSTALL.pod

Install the required development libraries, compiler, and Perl test modules, then start the MariaDB service to run tests.

```bash
yum -y install make gcc mariadb-devel mariadb-libs mariadb-serveryum -y install "perl(Test::Deep)" "perl(Test::More)"systemctl start mariadb.service
```

--------------------------------

### get Method Output

Source: https://metacpan.org/pod/distribution/GRID-Machine/lib/GRID/Machine.pod

The output produced by the get method example.

```text
$ get.pl remoteLinux remote 2.6.15-1-686-smp #2 SMP Mon Mar 6 15:34:50 UTC 2006 i686 GNU/Linux/home/casiano/tutu-rwxr-xr-x 1 casiano casiano 569 2007-05-16 13:45 nested2.pl-rwxr-xr-x 1 casiano casiano 756 2007-05-22 10:10 nested3.pl-rwxr-xr-x 1 casiano casiano 511 2007-06-27 13:08 nested4.pl-rwxr-xr-x 1 casiano casiano 450 2007-06-27 15:20 nested5.pl-rwxr-xr-x 1 casiano casiano 603 2007-05-16 14:49 nested.pl*******************************Linux local 2.4.20-perfctr #6 SMP vie abr 2 18:36:12 WEST 2004 i686 GNU/Linux/tmp-rwxr-xr-x  1 pp2 pp2 569 2007-05-16 13:45 nested2.pl-rwxr-xr-x  1 pp2 pp2 756 2007-05-22 10:10 nested3.pl-rwxr-xr-x  1 pp2 pp2 511 2007-06-27 13:08 nested4.pl-rwxr-xr-x  1 pp2 pp2 450 2007-06-27 15:20 nested5.pl-rwxr-xr-x  1 pp2 pp2 603 2007-05-16 14:49 nested.pl
```

--------------------------------

### Build and install from distro using Makefile.PL

Source: https://metacpan.org/pod/MarpaX%3A%3ADemo%3A%3AStringParser

Alternative manual installation using Makefile.PL: run perl Makefile.PL, then make (or dmake or nmake), then make test, and finally make install.

```shell
perl Makefile.PL
make (or dmake or nmake)
make test
make install
```

--------------------------------

### Get start delimiter

Source: https://metacpan.org/pod/PPIx%3A%3ARegexp%3A%3ATokenizer

Accesses the start delimiter for the regular expression.

```perl
my $start_delimiter = $tokenizer->get_start_delimiter();
```

--------------------------------

### Complete GUI application example

Source: https://metacpan.org/pod/distribution/Win32-GUI/GENERATED/Win32/GUI/Tutorial/Part1.pod

A full implementation demonstrating window creation, font styling, label addition, centering on the desktop, and handling resize events.

```perl
use Win32::GUI();   $text = defined($ARGV[0]) ? $ARGV[0] : "Hello, world";   $main = Win32::GUI::Window->new(        -name => 'Main',        -text => 'Perl',);   $font = Win32::GUI::Font->new(        -name => "Comic Sans MS",         -size => 24,);   $label = $main->AddLabel(        -text => $text,        -font => $font,        -foreground => [255, 0, 0],);   $ncw = $main->Width() -  $main->ScaleWidth();   $nch = $main->Height() - $main->ScaleHeight();   $w = $label->Width()  + $ncw;   $h = $label->Height() + $nch;   $desk = Win32::GUI::GetDesktopWindow();   $dw = Win32::GUI::Width($desk);   $dh = Win32::GUI::Height($desk);   $x = ($dw - $w) / 2;   $y = ($dh - $h) / 2;   $main->Change(-minsize => [$w, $h]);   $main->Resize($w, $h);   $main->Move($x, $y);   $main->Show();   Win32::GUI::Dialog();   sub Main_Terminate {-1;   }   sub Main_Resize {       my $mw = $main->ScaleWidth();       my $mh = $main->ScaleHeight();       my $lw = $label->Width();       my $lh = $label->Height();$label->Left(int(($mw - $lw) / 2));$label->Top(int(($mh - $lh) / 2));   }
```

--------------------------------

### Initialize and use Net::SSH::Any

Source: https://metacpan.org/pod/Net%3A%3ASSH%3A%3AAny

Demonstrates creating a new SSH connection, capturing command output, executing system commands, and initiating an SFTP session.

```perl
use Net::SSH::Any;my $ssh = Net::SSH::Any->new($host, user => $user, password => $passwd);my @out = $ssh->capture(cat => "/etc/passwd");my ($out, $err) = $ssh->capture2("ls -l /");$ssh->system("foo");my $sftp = $ssh->sftp; # returns Net::SFTP::Foreign object$sftp->put($local_path, $remote_path);
```

--------------------------------

### start

Source: https://metacpan.org/pod/Plugin

Gets or sets the start percent of the ellipse. Accepts a numeric value.

```APIDOC
## start

### Description
Gets or sets the start percent of the ellipse.

### Method
start

### Parameters
#### Request Body
- value (Num) - Optional - The start percent value.

### Request Example
$ellipse->start($p);

```

--------------------------------

### Xenodromes sequence example values

Source: https://metacpan.org/pod/Math%3A%3ANumSeq%3A%3AXenodromes

Example output showing the start of the sequence.

```text
0, ..., 9, 10, 12, 13, ..., 19, 20, 21, 23, 24, ...# starting i=1 value=0
```

--------------------------------

### Install from source using Build.PL

Source: https://metacpan.org/pod/MarpaX%3A%3ADemo%3A%3ASampleScripts

Unpack the distribution and use Module::Build to install.

```bash
perl Build.PL./Build./Build testsudo ./Build install
```

--------------------------------

### started_ok [$text]

Source: https://metacpan.org/pod/Test%3A%3AHTTP%3A%3AServer%3A%3ASimple

Starts the configured server in the background and returns the URL to connect to it. Takes an optional test description. The server must be configured (port set) but not yet run or backgrounded.

```APIDOC
## started_ok [$text]

### Description
Starts the server in the background and returns the URL http://localhost:$port to connect to it. Takes an optional test description. The server must be configured (port set) but not yet run or backgrounded.

### Method
started_ok

### Parameters
- **$text** (scalar) - Optional - Test description.

### Returns
- **URL** (string) - The URL http://localhost:$port to connect to the server.

### Notes
- The server is forked to run in the background.
- The server is killed when the test script dies, even on interrupt.
- If the child process dies or never listens, the call hangs.
- May not work with a custom Net::Server.
```

--------------------------------

### Simplified Log::Any::App initialization

Source: https://metacpan.org/pod/Log%3A%3AAny%3A%3AApp

The concise replacement for manual logging setup using Log::Any::App.

```perl
use Log::Any::App '$log'; # plus some other options when necessary
```

--------------------------------

### Initialize Squatting app for PSGI

Source: https://metacpan.org/pod/Squatting%3A%3AOn%3A%3APSGI

Example of an app.psgi file setup to handle requests using the Squatting::On::PSGI adapter.

```perl
# app.psgi
use App 'On::PSGI';
App->init;
my $handler = sub {
    my $env = shift;
    App->psgi($env);
};
```

--------------------------------

### HofstadterFigure sequence starting at 5

Source: https://metacpan.org/pod/Math%3A%3ANumSeq%3A%3AHofstadterFigure

Example sequence output when initialized with start => 5.

```text
5, 6, 8, 11, 15, 22, 31, 41, 53, 66, ...
```

--------------------------------

### Run example script

Source: https://metacpan.org/pod/Wx%3A%3APerl%3A%3AProcessStream

Execute the provided example script from the source root directory.

```bash
perl -Ilib example/psexample.pl
```

--------------------------------

### HofstadterFigure sequence starting at 2

Source: https://metacpan.org/pod/Math%3A%3ANumSeq%3A%3AHofstadterFigure

Example sequence output when initialized with start => 2.

```text
2, 3, 7, 12, 18, 26, 35, 45, 56, ...
```

--------------------------------

### Hexify output with start parameter

Source: https://metacpan.org/pod/Data%3A%3AHexify

Example of how the output appears when using the start parameter.

```text
0000: 74 61 3a 3a 48 ... 79 3b 0a 0a 75 73 65  ta::Hexify;..use0010: 20 35 2e 30 30 ... 73 65 20 73 74 72 69   5.006;.use stri... and so on ...
```

--------------------------------

### Usage examples for lcpanm

Source: https://metacpan.org/pod/distribution/App-lcpan/script/lcpanm

Demonstrates basic usage of lcpanm for installing modules and piping outdated modules from a local mirror.

```bash
% lcpanm -n Some::Module ...% cpan-outdated --mirror file:$HOME/cpan | lcpanm -n
```

--------------------------------

### start

Source: https://metacpan.org/pod/Bio%3A%3ALocation%3A%3ACoordinatePolicyI

Get the integer-valued start coordinate of the given location as computed by this computation policy.

```APIDOC
## start

### Description
Get the integer-valued start coordinate of the given location as computed by this computation policy.

### Usage
$start = $policy->start($location);

### Returns
A positive integer number.

### Args
A Bio::LocationI implementing object.
```

--------------------------------

### Initialize and use Getopt::Complete::Options

Source: https://metacpan.org/pod/distribution/Getopt-Complete/lib/Getopt/Complete/Options.pm

Demonstrates creating an options object, retrieving option names, specs, and handlers, and triggering shell completion.

```perl
my $opts = Getopt::Complete::Options->new(   'myfile=s' => 'f',   'mydir=s@'  => 'd',   '<>' => ['one','two','three']);$opts->option_names;# myfile mydir$opts->option_spec("mydir")# '=s@'$opts->option_handler("myfile")# 'f'$opts->option_handler("<>")# ['one','two','three'];$opts->handle_shell_completion;# if it detects it is talking to the shell completer, it will respond and then exit# this method is used by the above, then makes a Getopt::Complete::Args.($text_typed,$option_name,$remainder_of_argv) = $self->parse_completion_request($comp_words,$comp_cword);
```

--------------------------------

### Configure Demo Application

Source: https://metacpan.org/pod/CatalystX%3A%3AListFramework

Commands to set up the demo application by linking the ExtJS library and starting the development server.

```bash
cd t/ln -s /path/to/extjs/ static/extjs-1.1lib/script/testapp_server.pl
```

--------------------------------

### Incorrect setup hook usage

Source: https://metacpan.org/pod/distribution/Catalyst-Manual/lib/Catalyst/Manual/CatalystAndMoose.pod

Example of an incorrect way to hook into the setup method.

```perl
after 'setup' => sub { ... } # wrong
```

--------------------------------

### Install using Module::Build

Source: https://metacpan.org/pod/Math%3A%3ADisarrange%3A%3AList

Standard installation process for modules using Module::Build.

```bash
perl Build.PL./Build./Build test./Build install
```

--------------------------------

### ormrz usage example

Source: https://metacpan.org/pod/PDL%3A%3ALinearAlgebra%3A%3AReal

A complete example showing the setup of matrices and the application of ormrz.

```perl
$a = random (float, 50, 100);$a = transpose($a);$info = null;$tau = zeroes(float, 50);tzrzf($a, $tau, $info);$c = random(70,50);# $c will contain the result$c->reshape(70,100);$c = transpose($c);ormrz($a, $tau, $c, $info);
```

--------------------------------

### Complete tutorial program

Source: https://metacpan.org/pod/distribution/Imager/lib/Imager/Tutorial.pod

The full example script combining image creation, drawing, and saving.

```perl
use Imager;my $image = Imager->new(xsize => 100, ysize => 100);$image->box(filled => 1, color => 'blue');$image->box(xmin => 20, ymin => 20, xmax => 79, ymax => 79,            filled => 1, color => 'green');$image->write(file=>'tutorial1.ppm')    or die 'Cannot save tutorial1.ppm: ', $image->errstr;
```

--------------------------------

### ormrq usage example

Source: https://metacpan.org/pod/PDL%3A%3ALinearAlgebra%3A%3AReal

A complete example demonstrating the setup of matrices and the application of ormrq.

```perl
$a = random (float, 50, 100);$a = transpose($a);$info = null;$tau = zeroes(float, 50);gerqf($a, $tau, $info);$c = random(70,50);# $c will contain the result$c->reshape(70,100);$c = transpose($c);ormrq($a, $tau, $c, $info);
```

--------------------------------

### ormql usage example

Source: https://metacpan.org/pod/PDL%3A%3ALinearAlgebra%3A%3AReal

A complete example showing the setup of inputs and the application of ormql.

```perl
$a = random (float, 50, 100);$a = transpose($a);$info = null;$tau = zeroes(float, 50);geqlf($a, $tau, $info);$c = random(70,50);# $c will contain the result$c->reshape(70,100);$c = transpose($c);ormql($a, $tau, $c, $info);
```

--------------------------------

### Synopsis Example

Source: https://metacpan.org/pod/Mail%3A%3ABox%3A%3AMbox%3A%3AMessage

Demonstrates how to initialize an Mbox folder and retrieve a message.

```perl
my $folder  = Mail::Box::Mbox->new(folder => $ENV{MAIL}, ...);my $message = $folder->message(0);
```

--------------------------------

### Install Fey::Loader with CPAN shell

Source: https://metacpan.org/pod/Fey%3A%3ALoader%3A%3ADBI

Install the module using the CPAN shell: start the shell and then run the install command.

```perl
perl -MCPAN -e shell
install Fey::Loader
```

--------------------------------

### Initialize and run a container

Source: https://metacpan.org/pod/Launcher%3A%3ACascade%3A%3AContainer

Example showing how to instantiate multiple launchers and run them within a container.

```perl
use Launcher::Cascade::Base::...;   use Launcher::Cascade::Container;   my $launcher1 = new Launcher::Cascade::Base:... ...;   my $launcher2 = new Launcher::Cascade::Base:... ...;   my $launcher3 = new Launcher::Cascade::Base:... ...;   my $container = new Launcher::Cascade::Container-launchers => [ $launcher1, $launcher2, $launcher3 ];   $container->run_session();
```

--------------------------------

### Start Session with Custom Resources

Source: https://metacpan.org/pod/session

Example of starting an interactive session with 2 CPU cores, 2000 MB of memory, and an 8-hour duration.

```bash
session -c 2 -m 2GB -h 8
```

--------------------------------

### Install WWW::SchneierFacts with CPAN shell

Source: https://metacpan.org/pod/WWW%3A%3ASchneierFacts

Commands to install the module using the CPAN shell: start the shell and then run the install command.

```shell
perl -MCPAN -e shell
install WWW::SchneierFacts
```

--------------------------------

### Install MooseX::Daemonize with CPAN shell

Source: https://metacpan.org/pod/MooseX%3A%3ADaemonize%3A%3APid

Use the CPAN shell to install MooseX::Daemonize. Start the shell and then run the install command.

```perl
perl -MCPAN -e shell
install MooseX::Daemonize
```

--------------------------------

### Creating a new PkgConfig::LibPkgConf::Client instance

Source: https://metacpan.org/pod/PkgConfig%3A%3ALibPkgConf%3A%3AClient

Demonstrates how to instantiate the client using either a hash or a hash reference for options.

```perl
my $client = PkgConfig::LibPkgConf::Client->new(%opts);my $client = PkgConfig::LibPkgConf::Client->new(\%opts);
```

--------------------------------

### Synopsis for Test2::Tools::QuickDB

Source: https://metacpan.org/pod/Test2%3A%3ATools%3A%3AQuickDB

Example showing how to initialize a PostgreSQL database driver and load a schema for testing.

```perl
use Test2::V0 -target => DBIx::QuickDB::Driver::PostgreSQL;use Test2::Tools::QuickDB;skipall_unless_can_db(driver => 'PostgreSQL');my $db = get_db({driver => 'PostgreSQL', load_sql => 't/schema/postgresql.sql'});...
```

--------------------------------

### Install Math::SymbolicX::BigNum with CPAN shell

Source: https://metacpan.org/pod/Math%3A%3ASymbolicX%3A%3ABigNum

Interactive installation using the CPAN shell: start the shell and run the install command.

```shell
perl -MCPAN -e shell
install Math::SymbolicX::BigNum
```

--------------------------------

### Full script example with POD

Source: https://metacpan.org/pod/Getopt%3A%3AAuto

A complete example demonstrating subroutine mapping for options and POD documentation integration.

```perl
use Getopt::Auto;our %options;$VERSION  = '1.0';sub add { $count += shift @ARGV; }$count += $options{'--inc'};print "Count: $count\n";=pod=head2 -a, --add - Add integer to count.The integer argument is not checked.=head2 --inc - Bump count by 1=cut
```

--------------------------------

### xy() method usage example

Source: https://metacpan.org/pod/Image%3A%3AXpm

Example showing return values for setting and getting colors.

```perl
$colour = xy($x, $y);            # e.g. #123456 $cc     = xy($x, $y, $colour);   # e.g. !
```

--------------------------------

### Start Session with Special Configuration

Source: https://metacpan.org/pod/session

Example of starting a session that utilizes the special_session configuration option.

```bash
session --special
```

--------------------------------

### Complete dynamic window sizing example

Source: https://metacpan.org/pod/distribution/Win32-GUI/GENERATED/Win32/GUI/Tutorial/Part1.pod

A full example that creates a window, adds a label with command-line text, calculates the required size, and displays the window.

```perl
use Win32::GUI();$text = defined($ARGV[0]) ? $ARGV[0] : "Hello, world";$main = Win32::GUI::Window->new(-name => 'Main', -text => 'Perl');$label = $main->AddLabel(-text => $text);$ncw = $main->Width()  - $main->ScaleWidth();$nch = $main->Height() - $main->ScaleHeight();$w = $label->Width()  + $ncw;$h = $label->Height() + $nch;$main->Resize($w, $h);$main->Show();Win32::GUI::Dialog();sub Main_Terminate {    -1;}
```

--------------------------------

### Build and install from distro using Build.PL

Source: https://metacpan.org/pod/MarpaX%3A%3ADemo%3A%3AStringParser

Manual installation steps after unpacking the distribution: run perl Build.PL, then ./Build, then ./Build test, and finally sudo ./Build install.

```shell
perl Build.PL
./Build
./Build test
sudo ./Build install
```
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