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Michael Brown c5c257788f [settings] Expose exit status of failed command via ${errno}

Allow scripts to report errors in more detail by exposing the most
recent error via the ${errno} setting.  For example:

    chain ${filename} || goto failed
    ...
    :failed
    imgfree http://192.168.0.1/ipxe_error.php?error=${errno}

Note that ${errno} is valid only immediately after executing a failed
command.

Signed-off-by: Michael Brown <mcb30@ipxe.org>

2012-07-12 15:46:24 +01:00

contrib

[contrib] Update bochsrc.txt to latest version of bochs

2012-06-06 20:37:53 +01:00

src

[settings] Expose exit status of failed command via ${errno}

2012-07-12 15:46:24 +01:00

COPYING

Initial revision

2005-05-17 16:44:57 +00:00

COPYRIGHTS

[build] Rename gPXE to iPXE

2010-04-19 23:43:39 +01:00

README

[doc] Re-add README file

2010-05-28 00:03:47 +01:00

README

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org

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