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Bootloader::Core::GRUBUser Contributed Perl DocumentaBootloader::Core::GRUB(3)

NAME
       Bootlader::Core::GRUB - GRUB library for bootloader configuration

PREFACE
       This package is the GRUB library of the bootloader configuration

SYNOPSIS
       use Bootloader::Core::GRUB;

       "$obj_ref = Bootloader::Core::GRUB->new ();"

       "$unquoted = Bootloader::Core::GRUB->Unquote ($text);"

       "$quoted = Bootloader::Core::GRUB->Quote ($text, $when);"

       "$unix_dev = Bootloader::Core::GRUB->GrubDev2UnixDev ($grub_dev);"

       "$grub_dev = Bootloader::Core::GRUB->UnixDev2GrubDev ($unix_dev);"

       "$unix_path = Bootloader::Core::GRUB->GrubPath2UnixPath ($grub_path,
       $grub_dev_prefix);"

       "$grub_path = Bootloader::Core::GRUB->UnixPath2GrubPath ($unix_path,
       $grub_dev_prefix);"

       "$grub_conf_line_ref = Bootloader::Core::GRUB->CreateGrubConfLine
       ($target, $discswitch);"

       "$files_ref = Bootloader::Core::GRUB->ListFiles ();"

       "$status = Bootloader::Core::GRUB->ParseLines (\%files,
       $avoid_reading_device_map);"

       "$files_ref = Bootloader::Core::GRUB->CreateLines ();"

       "$dev = Bootloader::Core::GRUB->GetCommonDevice (@paths);"

       "$line = Bootloader::Core::GRUB->CreateKernelLine (\%sectingo,
       $grub_root);"

       "$line = Bootloader::Core::GRUB->CreateChainloaderLine (\%sectinfo,
       $grub_root);"

       "$disk = Bootloader::Core::GRUB->Partition2Disk ($partition);"

       "$sectin_info_ref = Bootloader::Core::GRUB->Section2Info
       (\@section_lines);"

       "$lines_ref = Bootloader::Core::GRUB->Info2Section (\%section_info);"

       "$glob_info = $Bootloader::Core::GRUB->Global2Info (\@glob_lines,
       \@section_names);"

       "$lines_ref = Bootloader::Core::GRUB->Info2Global (\%section_info,
       \@section_names);"

       "$settings_ref = Bootloader::Core::GRUB->GetSettings ();"

       "$status = Bootloader::Core::GRUB->SetSettings (\%settings);"

       "$status = Bootloader::Core::GRUB->InitializeBootloader ();"

       "$mountpoint = Bootloader::Core::GRUB->GrubDev2MountPoint ($grub_dev);"

DESCRIPTION
        "$obj_ref = Bootloader::Core::GRUB->new ();"
         Creates an instance of the Bootloader::Core::GRUB class.

        "$unquoted = Bootloader::Core::GRUB->Unquote ($text);"
         Just override of Bootloader::Core->Unquote function, returning the
         first parameter.

        "$quoted = Bootloader::Core::GRUB->Quote ($text, $when);"
         Just override of Bootloader::Core->Quote function, returning the
         first parameter.

        "$allow_afterline_empty = Bootloader::Core->AllowCommentAfterText();"
         checks if bootloader configuration allow comments after text on line,
         returns a scalar (1 if true, 0 otherwise).

        "$unix_dev = Bootloader::Core::GRUB->GrubDev2UnixDev ($grub_dev);"
         Translates the GRUB device (eg. '(hd0,0)') to UNIX device (eg.
         '/dev/hda1').  As argument takes the GRUB device, returns the UNIX
         device (both strings) or argument if translate fail.

        "$grub_dev = Bootloader::Core::GRUB->UnixDev2GrubDev ($unix_dev);"
         Translates the UNIX device (eg. '/dev/hda1') to GRUB device (eg.
         '(hd0,0)').  As argument takes the UNIX device, returns the GRUB
         device (both strings).

        "$unix_path = Bootloader::Core::GRUB->GrubPath2UnixPath ($grub_path,
       $grub_dev_prefix);"
         Translates the GRUB path (eg. '(hd0,0)/grub/device.map') to UNIX path
         (eg.  '/boot/grub/device.map'). If the GRUB path does not contain the
         device, the one specified in the argument is used instead.  As
         arguments, the function takes the GRUB path and the device to be used
         if not specified in the GRUB path, and returns the UNIX path (all
         strings).

        "$grub_path = Bootloader::Core::GRUB->UnixPath2GrubPath ($unix_path,
       $grub_dev_prefix);"
         Translates the UNIX path (eg. '/boot/grub/device.map') to GRUB path
         (eg.  '(hd0,0)/grub/device.map'). If the device (as specified in GRUB
         configuration files via the 'root' option) is the same as the device
         in the resulting path, the resulting path does not contain the
         device.  As arguments, the function takes the UNIX path and the
         device as specified via 'root' option, and returns the GRUB path (all
         strings).

        "$grub_conf_line_ref = Bootloader::Core::GRUB->CreateGrubConfLine
       ($target, $discswitch);"
         Creates a hash representing a line of /etc/grub.conf file. As
         arguments, it takes the device to install GRUB to, and the discswitch
         argument ('d' or ''). Returns a reference to a hash containing info
         about the 'install' line.

        "$files_ref = Bootloader::Core::GRUB->ListFiles ();"
         Returns the list of the configuration files of the bootloader Returns
         undef on fail

        "$status = Bootloader::Core::GRUB->ParseLines (\%files,
       $avoid_reading_device_map);"
         Parses the contents of all files and stores the settings in the
         internal structures. As first argument, it takes a hash reference,
         where keys are file names and values are references to lists, each
         member is one line of the file. As second argument, it takes a
         boolean flag that, if set to a true value, causes it to skip updating
         the internal device_map information. Returns undef on fail, defined
         nonzero value on success.

        "$files_ref = Bootloader::Core::GRUB->CreateLines ();"
         creates contents of all files from the internal structures.  Returns
         a hash reference in the same format as argument of ParseLines on
         success, or undef on fail.

        "$sectin_info_ref = Bootloader::Core::GRUB->Section2Info
       (\@section_lines);"
         Gets the information about the section. As argument, takes a
         reference to the list of lines building the section, returns a
         reference to a hash containing information about the section.

        "$dev = Bootloader::Core::GRUB->GetCommonDevice (@paths);"
         Checks all paths given as arguments if they are on the same device.
         If so, returns the common device, otherwise returns empty string.

        "$line = Bootloader::Core::GRUB->CreateKernelLine (\%sectingo,
       $grub_root);"
         Creates a line with the kernel command for GRUB's menu.lst. As
         arguments.  it takes a hash containing information about the section
         and the root device specified by the GRUB's root command. Returns the
         line to be written to menu.lst (without the leading kernel keyword).

        "$line = Bootloader::Core::GRUB->CreateChainloaderLine (\%sectinfo,
       $grub_root);"
         Creates a line with the chainloader command for GRUB's menu.lst. As
         arguments.  it takes a hash containing information about the section
         and the root device specified by the GRUB's root command. Returns the
         line to be written to menu.lst (without the leading chainloader
         keyword).

        "$disk = Bootloader::Core::Grub->Partition2Disk ($partition);"
         Gets the disk a partition resides on. As argument, it takes the
         partition device node (eg. '/dev/hda3'), returns the device node of
         the disk holding the partition (eg. "/dev/hda"), or undef if checking
         failed.

        "$lines_ref = Bootloader::Core::GRUB->Info2Section (\%section_info);"
         Takes the info about the section and uses it to construct the list of
         lines.  The info about the section also contains the original lines.
         As parameter, takes the section info (reference to a hash), returns
         the lines (a list of hashes).

        "$glob_info = $Bootloader::Core::GRUB->Global2Info (\@glob_lines,
       \@section_names);"
         Gets the general information from the global section of the menu
         file. This information usually means the default section, graphical
         menu, timeout etc. As argument it takes a reference to the list of
         hashes representing lines of the section, returns a reference to a
         hash containing the important information.

        "$lines_ref = Bootloader::Core::GRUB->Info2Global (\%section_info,
       \@section_names);"
         Takes the info about the global options and uses it to construct the
         list of lines.  The info about global option also contains the
         original lines.  As parameter, takes the section info (reference to a
         hash) and a list of sectino names, returns the lines (a list of
         hashes).

        "$settings_ref = Bootloader::Core::GRUB->GetSettings ();"
         returns the complete settings in a hash. Does not read the settings
         from the system, but returns internal structures.

        "$status = Bootloader::Core::GRUB->SetSettings (\%settings);"
         Stores the settings in the given parameter to the internal
         structures. Does not touch the system.  Returns undef on fail,
         defined nonzero value on success.

        "$status = Bootloader::Core::GRUB->InitializeBootloader ();"
         Initializes the firmware to boot the bootloader.  Returns undef on
         fail, defined nonzero value otherwise

        "$mountpoint = Bootloader::Core::GRUB->GrubDev2MountPoint ();"
         creates the mountpoint from a Grub Device (hdX,Y), be it a udev
         device, a udev link or a device mapper device

         returns the mountpoint or the grub device, if it couldn't be resolved

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

       Around line 461:
           =cut found outside a pod block.  Skipping to next block.

       Around line 467:
           =cut found outside a pod block.  Skipping to next block.

perl v5.12.1                      2010-08-24         Bootloader::Core::GRUB(3)
 

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Quelle: http://www.trinler.net/de/service/doc/linux/man.html?command=Bootloader%3A%3ACore%3A%3AGRUB
Gedruckt am: 29.07.2017 13:46 GMT+0200 (2017-07-29T13:46:01+02:00)