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ExtUtils::Install(3pm)                Perl Programmers Reference Guide                ExtUtils::Install(3pm)



NAME
       ExtUtils::Install - install files from here to there

SYNOPSIS
         use ExtUtils::Install;

         install({ 'blib/lib' => 'some/install/dir' } );

         uninstall($packlist);

         pm_to_blib({ 'lib/Foo/Bar.pm' => 'blib/lib/Foo/Bar.pm' });

DESCRIPTION
       Handles the installing and uninstalling of perl modules, scripts, man pages, etc...

       Both install() and uninstall() are specific to the way ExtUtils::MakeMaker handles the installation
       and deinstallation of perl modules. They are not designed as general purpose tools.

       On some operating systems such as Win32 installation may not be possible until after a reboot has
       occured. This can have varying consequences: removing an old DLL does not impact programs using the
       new one, but if a new DLL cannot be installed properly until reboot then anything depending on it
       must wait. The package variable

         $ExtUtils::Install::MUST_REBOOT

       is used to store this status.

       If this variable is true then such an operation has occured and anything depending on this module
       cannot proceed until a reboot has occured.

       If this value is defined but false then such an operation has ocurred, but should not impact later
       operations.

       Functions


       install
               install(\%from_to);
               install(\%from_to, $verbose, $dont_execute, $uninstall_shadows, $skip);

           Copies each directory tree of %from_to to its corresponding value preserving timestamps and
           permissions.

           There are two keys with a special meaning in the hash: "read" and "write".  These contain
           packlist files.  After the copying is done, install() will write the list of target files to
           $from_to{write}. If $from_to{read} is given the contents of this file will be merged into the
           written file. The read and the written file may be identical, but on AFS it is quite likely that
           people are installing to a different directory than the one where the files later appear.

           If $verbose is true, will print out each file removed.  Default is false.  This is "make install
           VERBINST=1". $verbose values going up to 5 show increasingly more diagnostics output.

           If $dont_execute is true it will only print what it was going to do without actually doing it.
           Default is false.

           If $uninstall_shadows is true any differing versions throughout @INC will be uninstalled.  This
           is "make install UNINST=1"

           As of 1.37_02 install() supports the use of a list of patterns to filter out files that shouldn't
           be installed. If $skip is omitted or undefined then install will try to read the list from
           INSTALL.SKIP in the CWD.  This file is a list of regular expressions and is just like the
           MANIFEST.SKIP file used by ExtUtils::Manifest.

           A default site INSTALL.SKIP may be provided by setting then environment variable
           EU_INSTALL_SITE_SKIPFILE, this will only be used when there isn't a distribution specific
           INSTALL.SKIP. If the environment variable EU_INSTALL_IGNORE_SKIP is true then no install file
           filtering will be performed.

           If $skip is undefined then the skip file will be autodetected and used if it is found. If $skip
           is a reference to an array then it is assumed the array contains the list of patterns, if $skip
           is a true non reference it is assumed to be the filename holding the list of patterns, any other
           value of $skip is taken to mean that no install filtering should occur.

       install_default DISCOURAGED
               install_default();
               install_default($fullext);

           Calls install() with arguments to copy a module from blib/ to the default site installation
           location.

           $fullext is the name of the module converted to a directory (ie. Foo::Bar would be Foo/Bar).  If
           $fullext is not specified, it will attempt to read it from @ARGV.

           This is primarily useful for install scripts.

           NOTE This function is not really useful because of the hard-coded install location with no way to
           control site vs core vs vendor directories and the strange way in which the module name is given.
           Consider its use discouraged.

       uninstall
               uninstall($packlist_file);
               uninstall($packlist_file, $verbose, $dont_execute);

           Removes the files listed in a $packlist_file.

           If $verbose is true, will print out each file removed.  Default is false.

           If $dont_execute is true it will only print what it was going to do without actually doing it.
           Default is false.

       pm_to_blib
               pm_to_blib(\%from_to, $autosplit_dir);
               pm_to_blib(\%from_to, $autosplit_dir, $filter_cmd);

           Copies each key of %from_to to its corresponding value efficiently.  Filenames with the extension
           .pm are autosplit into the $autosplit_dir.  Any destination directories are created.

           $filter_cmd is an optional shell command to run each .pm file through prior to splitting and
           copying.  Input is the contents of the module, output the new module contents.

           You can have an environment variable PERL_INSTALL_ROOT set which will be prepended as a directory
           to each installed file (and directory).

ENVIRONMENT
       PERL_INSTALL_ROOT
           Will be prepended to each install path.

       EU_INSTALL_IGNORE_SKIP
           Will prevent the automatic use of INSTALL.SKIP as the install skip file.

       EU_INSTALL_SITE_SKIPFILE
           If there is no INSTALL.SKIP file in the make directory then this value can be used to provide a
           default.

AUTHOR
       Original author lost in the mists of time.  Probably the same as Makemaker.

       Production release currently maintained by demerphq "yves at cpan.org"

       Send bug reports via http://rt.cpan.org/.  Please send your generated Makefile along with your
       report.

LICENSE
       This program is free software; you can redistribute it and/or modify it under the same terms as Perl
       itself.

       See <http://www.perl.com/perl/misc/Artistic.html>



perl v5.10.0                                     2007-12-18                           ExtUtils::Install(3pm)