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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' });

VERSION
       1.55

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
               # deprecated forms
               install(\%from_to);
               install(\%from_to, $verbose, $dry_run, $uninstall_shadows,
                           $skip, $always_copy, \%result);

               # recommended form as of 1.47
               install([
                   from_to => \%from_to,
                   verbose => 1,
                   dry_run => 0,
                   uninstall_shadows => 1,
                   skip => undef,
                   always_copy => 1,
                   result => \%install_results,
               ]);

           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 $dry_run 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.

           Changes As of Version 1.47

           As of version 1.47 the following additions were made to the install
           interface.  Note that the new argument style and use of the %result
           hash is recommended.

           The $always_copy parameter which when true causes files to be
           updated regardles as to whether they have changed, if it is defined
           but false then copies are made only if the files have changed, if
           it is undefined then the value of the environment variable
           EU_INSTALL_ALWAYS_COPY is used as default.

           The %result hash will be populated with the various keys/subhashes
           reflecting the install. Currently these keys and their structure
           are:

               install             => { $target    => $source },
               install_fail        => { $target    => $source },
               install_unchanged   => { $target    => $source },

               install_filtered    => { $source    => $pattern },

               uninstall           => { $uninstalled => $source },
               uninstall_fail      => { $uninstalled => $source },

           where $source is the filespec of the file being installed. $target
           is where it is being installed to, and $uninstalled is any shadow
           file that is in @INC or $ENV{PERL5LIB} or other standard locations,
           and $pattern is the pattern that caused a source file to be
           skipped. In future more keys will be added, such as to show created
           directories, however this requires changes in other modules and
           must therefore wait.

           These keys will be populated before any exceptions are thrown
           should there be an error.

           Note that all updates of the %result are additive, the hash will
           not be cleared before use, thus allowing status results of many
           installs to be easily aggregated.

           NEW ARGUMENT STYLE

           If there is only one argument and it is a reference to an array
           then the array is assumed to contain a list of key-value pairs
           specifying the options. In this case the option "from_to" is
           mandatory. This style means that you dont have to supply a cryptic
           list of arguments and can use a self documenting argument list that
           is easier to understand.

           This is now the recommended interface to install().

           RETURN

           If all actions were successful install will return a hashref of the
           results as described above for the $result parameter. If any action
           is a failure then install will die, therefore it is recommended to
           pass in the $result parameter instead of using the return value. If
           the result parameter is provided then the returned hashref will be
           the passed in hashref.

       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.

       EU_INSTALL_ALWAYS_COPY
           If this environment variable is true then normal install processes
           will always overwrite older identical files during the install
           process.

           Note that the alias EU_ALWAYS_COPY will be supported if
           EU_INSTALL_ALWAYS_COPY is not defined until at least the 1.50
           release. Please ensure you use the correct EU_INSTALL_ALWAYS_COPY.

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

       Production release currently maintained by demerphq "yves at cpan.org",
       extensive changes by Michael G. Schwern.

       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>

POD ERRORS
       Hey! The above document had some coding errors, which are explained
       below:

       Around line 570:
           '=item' outside of any '=over'

perl v5.12.1                      2010-04-26            ExtUtils::Install(3pm)
 

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Gedruckt am: 28.06.2017 05:35 GMT+0200 (2017-06-28T05:35:21+02:00)