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How to install CPAN modules Here are some recommended approaches to installing modules from CPAN, as with much of Perl there are several alternatives. Some basics Most Perl modules are written in Perl, some use (they are written in ) so require a C (it's easy to get this setup - don't panic), see your OS of choice below to find out how to get the right compiler. Modules may have dependencies on other modules (almost always on ) and cannot be installed without them (or without a specific version of them). It is worth throughly reading the documentation for the options below. Many modules on CPAN require a somewhat recent version of Perl (version 5.8 or above). Quick start Install cpanm to make installing other modules easier (you'll thank us later). You need to type these commands into a (, ) cpan App::cpanminus Now install any module you can.
Cpanm Module::Name Tools To help you install and manage your modules: enables you to install modules into a specified directory, without requiring root or administrator access. See the for how to get started. You can create a directory per user/project/company and deploy to other servers, by copying the directory (as long as you are on the same operating system and perl version). From is a script to get, unpack, build and install modules from CPAN. It's dependency free (can bootstrap itself) and requires zero configuration. It automates the entire build process for the majority of modules on CPAN and works well with local::lib and perlbrew. Many experienced Perl developers use this as their tool of choice.
Related tools:,. From is useful if your system perl is too old to support modern CPAN modules, or if it's troublesome in other capacities (RedHat/CentOS are included in this list).
Perlbrew makes the process of installing a Perl in any directory much easier, so that you can work completely independently of any system Perl without needing root or administrator privileges. You can use multiple versions of Perl (maybe as you upgrade) across different projects. The separation from your system Perl makes server maintenance much easier and you more confident about how your project is setup.
Currently Windows is not supported. From has been distributed with Perl since 1997 (5.004). It has many more options than cpanm, it is also much more verbose. From had been distributed with Perl since 5.10 (2007) until 5.20 (2014). This offers even more options than cpanm or cpan and can be installed just like cpanminus. Perl on Windows (Win32 and Win64) is an open source binary distribution of Perl for the Windows operating system.
It includes a compiler and pre-installed modules that offer the ability to install XS CPAN modules directly from CPAN. It also comes with lots of modules pre-installed, including cpanm. Provide a binary distribution of Perl (for many platforms), as well as their own (ppm). Some modules are not available as ppm's or have reported errors on the ppm build system, this does not mean they do not work. You can use the cpan script to build modules from CPAN against ActiveState Perl. Perl on Mac OSX OSX comes with Perl pre-installed.
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In order to build and install your own modules you will need to install the 'Command Line Tools for XCode' or 'XCode' package - details on our. Once you have done this you can use all of the tools mentioned above. Perl on other Unix like OSs Install 'make' through your package manager. You can then use all of the tools mentioned above. Other tools can provide you with a minimal mirror of (just the latest version of all modules).
This makes working offline easy. Allows you to add your own modules to your local CPAN::Mini mirror of CPAN. So you can install and deploy your own modules through the same tools you use for CPAN modules. Which modules should I use?
Lists suggested best practice modules for a wide range of tasks. Will let you search CPAN. You could also get involved with the, ask on a or find your nearest group.
During installation, we recommend installing it in C: Strawberry. This is the default for the MSI package. Connect your computer to the Internet so you are able download any required Perl modules from CPAN. For more information, see. Open a Command Prompt window. Install the prerequisite Perl modules.
Cd cpan Win32::Daemon cpan Digest::HMAC cpan Digest::MD4. If you are going to use SQL authentication, find the database specific DBD module(s) from CPAN. For example, to install DBD::ODBC: cpan DBD::ODBC. If you are going to use LDAP for authentication and accounting, obtain and install Net::LDAP: cpan Net::LDAP.
If you are going to use EAP TLS, TTLS or PEAP for 802.1x authentication obtain and install Net::SSLeay: cpan Net::SSLeay. Download Radiator Zip file from. Unpack it to the default location, C: Radiator. When using the default location, Radiator distribution is in C: Radiator Radiator-x.yy where x.yy is the version number. Open a Command Prompt window with administrator access and move to the distribution directory.
Check that your distribution is complete: perl Makefile.PL. Run the regression tests perl test.plYou see lots of lines like ok xx, and none saying not ok xx. Install Radiator: perl Makefile.PL installThis installs the Radiator programs and libraries in the standard places.
It also creates a basic Radiator configuration file in C: Program Files Radiator radius.cfg and a sample users file in C: Program Files Radiator users. Run Radiator to test the sample configuration: perl c: strawberry perl bin radiusdYou see some messages, followed by NOTICE: Server started. Radiator is now waiting for RADIUS requests.
In another Command Prompt window run the test client program: perl c: strawberry perl bin radpwtst -user mikem -password fredYou see OK for all requests. This proves that Radiator has correctly authenticated the user mikem, whose login details are in the users file in C: Program Files Radiator users. Rerun radpwtst, this time with the wrong password for mikem: perl c: strawberry perl bin radpwtst -user mikem -password wrongYou see Rejected: for Access-Request. If you configure a test NAS to use this server, you are to log in as the user mikem with password fred. Continue with post-installation tasks and configuration. For more information, see and.
. Jon Orwant has a good tutorial about installing Perl modules, called perlmodinstall -which is distributed with Perl. It is more detailed than this document, and has probably been updated more recently.
I wrote this back when that doc was fairly sparse. This document is not actively maintained. This document describes the procedure for installing Perl modules, on Unix and NT. It covers CPAN.pm for Unix, the PPM for NT, and a variety of methods of installing 'manually'. Unless specifically stated, when I refer to NT, I really mean all Win32 platforms, including Win95 and Win98.
I don't have Windows 2000 installed yet, but I have no particular reason to think that these procedures won't work there. This document, or any subsequent revision of this document, should always be available at Before you install a module, you need to get it. Both Unix and NT have an automated method of getting and installing modules (CPAN.pm and PPM, respectively) but if you are not using those, for whatever reason, you will need to go to CPAN to retrieve the module files. The first thing that you will need to do is to get the module from CPAN. You can find a CPAN mirror by looking at the file called MIRRORED-BY. You can find a copy of that file at You can search CPAN for a module that does a particular thing by going to The various modules are in.tar.gz format, which is a compressed archive format.
The file will have a name something like File-Archive-0.53.tar.gz, indicating that the module is called File::Archive and the version number is 0.53. The instructions will tell you to decompress, or unpack, the file. On a Unix machine, this can be done with the tar and gzip programs, which are almost certainly installed on your machine. Gunzip File-Archive-0.53.tar.gz tar -xf File-Archive-0.53.tar With some versions of tar, you can do this all in one command: tar -zxf File-Archive-0.53.tar.gz This will create a subdirectory called (in this case) File-Archive-0.53. On Windows, you can unpack a.tar.gz file with WinZip, or other similar unzip program. You can get WinZip from Most people working with Perl are using one variety or another of Unix.
That's just the way that the community is made up. So when you read the instructions in the README file that comes with every module, it will make the assumption (in most cases) that you are running Unix. There are 3 normal ways to install a Perl module on a Unix machine. Which one you use will depend on a number of factors, the most important one being whether you have root privileges on the machine. The standard way to install a Perl module on Unix is to change into the directory that was created when you unpacked the.tar.gz file, and then type the following sequence of commands: perl Makefile.PL make make test make install This will create a makefile for you, then compile the module, test it, and put it in the correct location for you. This requires that you are logged in as root, so that you can copy files to the Perl library directory, and various other places on your system where the installation will put files. If you do not have root permissions on the machine where you want to install the module, such as if you wish to install a module in your home directory, just change one of those commands.
Instead of perl Makefile.PL type perl Makefile.PL PREFIX=/path/to/where/you/want/it That will put all the files in that directory. In order to use modules that are stored in that location, you will need to add the following like to your Perl programs: use lib /path/to/where/you/want/it Perl comes with a very handy module called CPAN.pm that automates the process of downloading and installing a Perl module. There are some modules that are really helpful to have installed before you use CPAN.pm. They are not absolutely required, but they make life a lot easier. These modules are: Digest::MD5 HTML::Parser MIME::Base64 URI libnet libwww You can download and install those modules as described in the section above. Then you can load the CPAN.pm shell with the following command: perl -MCPAN -e shell This also requires that you are root.
The first time that you run the CPAN shell, you will need to make some configurations. It's usually OK to select all the defaults. When you come to the section about choosing a CPAN mirror, try to choose one that is located near to you. Once you have typed the above command, you will be at an interactive prompt with a huge number of options to make your life easier. The only ones that I will talk about here are the search feature, and the installation feature. To find a particular module, use the i command, followed by an expression that you want to search for: cpan i /Time/ CPAN.pm will go out to the CPAN mirrror that you selected, download the list of modules, and tell you which ones match the search word.
To install a module, just type: cpan install Time::CTime CPAN.pm takes care of the whole process. It downloads the compressed file, unpacks it, builds it, and installs it all for you, unless there is a problem with the installation process. If there are other modules on which this module relies, it will also download and install those. Occasionally, you will not be able to use any of the methods above to install modules.
This may be the case if you are a particularly under-privileged user - perhaps you are renting web space on a server, where you are not given rights to do anything. It is possible, for some modules, to install the module without compiling anything, and so you can just drop the file in place and have it work. Without going into a lot of the detail, some Perl modules contain a portion written in some other language (such as C or C) and some are written in just in Perl. It is the latter type that this method will work for. How will you know?
Well, if there are no files called something.c and something.h in the package, chances are that it is a module that contains only Perl code. In these cases, you can just unpack the file, and then copy just the.pm files to a directory from which you will run the modules.
Two examples of this should suffice to illustrate how this is done. IniConf.pm is a wonderful little module that allows you to read configuration information out of a.ini-style config file. IniConf.pm is written only in Perl, and has no C portion.
When you unpack the.tar.gz file that you got from CPAN, you will find several files in there, and one of them is called IniConf.pm. This is the only file that you are actually interested in. Copy that file to the directory where you have the Perl programs that will be using this module. You can then use the module as you would if it was installed 'correctly,' with just the line: use IniConf; Time::CTime is another very handy module that lets you print times in any format that strikes your fancy.
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It is written just in Perl, without a C component. You will install it just the same way as you did with IniConf, except that the file, called CTime.pm, must be placed in a subdirectory called Time. The colons, as well as indicating an organization of modules, also indicates a directory structure on your file system. As mentioned above, the instructions that come with most Perl modules assume that you are installing the module on a Unix system. So, the following methods should make things reasonably easy on Windows.
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ActiveState Perl comes with a command-line tool called PPM - the Perl Package Manager - that simplifies the process of installing Perl modules on NT. To get into the PPM, go to a DOS prompt, and type ppm You should now see a prompt that looks like: PPM at which you can type commands. There are a large number of commands that you can use, and there is very good documentation for PPM that comes with your distribution of Perl, so I'll just talk about two of the functions - searching for a module, and installing that module. To search for a module, use the search function: search Time The search should, by default, be case-insensitive, although you can configure this. Ms office 2011 for windows 7 free download torrent. This will return a list of all the modules that matched this search, and the file that the module is contained in.
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You can then install the module with the install command install Time-modules PPM will take care of downloading and installing the module for you. Unfortunately, there are a limited number of modules available for installation via PPM. This number is growing, and you can request a particular module by going to the ActiveState web site and sending someone a note. However, if you need a module right now, you might be able to install it manually, as described above in the section about installing modules manually on Unix.
There are several available documents about writing and maintaining modules, as well as some about using modules. Perlmod talks about what modules are. Perlmodinstall talks about installing modules, but, as mentioned earler, it is a little dated. At you will find a very detailed description of how to install Perl modules somewhere other than the default locations. This document is entirely the fault of Rich Bowen. All questions, comments, and complaints should be directed to him.
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