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audk/ShellPkg
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Laszlo Ersek 5967886d58 ShellPkg: UpdateStdInStdOutStdErr(): append BOM to new unicode file 
The >> operator redirects stdout to a file, using append mode and unicode
encoding. Write the BOM when redirection happens to a new file (which
starts out empty).

This makes the >> operator behave similarly to the > operator, when the
redirection target doesn't exist originally:

  OutUnicode && OutAppend && FileSize == 0 // >> to new unicode file
vs.
  OutUnicode && !OutAppend                 // >  to any unicode file

(Note that (FileSize == 0) is equivalent to "new file" in this context,
due to the earlier "Check that filetypes (Unicode/Ascii) do not change
during an append".)

Reported-by: Lowell Dennis <Lowell_Dennis@Dell.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15725 6f19259b-4bc3-4df7-8a09-765794883524
 		2014-07-31 15:44:43 +00:00
..
Application ShellPkg: UpdateStdInStdOutStdErr(): append BOM to new unicode file 2014-07-31 15:44:43 +00:00
Include ShellPkg: Move UpdateMapping() out of Map command and added to UefiShellCommandLib library. 2014-06-23 18:36:44 +00:00
Library Update code to support VS2013 tool chain. 2014-07-29 02:00:55 +00:00
Contributions.txt EDK II Packages: Add Contributions.txt and License.txt files 2012-04-11 23:19:46 +00:00
License.txt Update copyright format 2012-04-24 06:49:39 +00:00
Readme.txt ShellPkg: Updated version number. 2011-12-13 18:45:44 +00:00
ShellPkg.dec ShellPkg: Fixes for shell application launch, argument handling, and version output: 2013-10-18 15:49:23 +00:00
ShellPkg.dsc Update all the code to consume the ConvertDevicePathToText, ConvertDevicePathNodeToText, ConvertTextToDevicePath and ConvertTextToDeviceNode APIs in DevicePathLib. 2013-07-26 03:14:08 +00:00

Readme.txt

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

============================================================================
                                 OVERVIEW
============================================================================
The UEFI 2.0 shell provides a standard pre-boot command line processor.
It is similar to the EDK EFI Shell or a *nix command line parser.

============================================================================
                    HOW TO INCORPORATE THIS SHELL INTO NT32
============================================================================
The instructions below are included as a sample and template on how a 
developer may integrate this code into an existing platform:

1. Add this shell build to the NT32 build:
   Add the shell.inf to the [components] section as it is in the ShellPkg.dsc.

2. Update system PCDs to support this new module
   Update the PCD as follows using the Shell's PCD:
   gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdShellFile|{ 0x83, 0xA5, 0x04, 0x7C, 0x3E, 0x9E, 0x1C, 0x4F, 0xAD, 0x65, 0xE0, 0x52, 0x68, 0xD0, 0xB4, 0xD1 }

3. Remove the old shell from the NT32 Firmware list
   Remove the FILE APPLICATION section for the old shell.

4. Add this shell to the NT32 firmware list
   Add the Shell.INF to the end of the list of DXE modules.

5. Build NT32


============================================================================