mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 13:56:30 +00:00
23c0df6e7c
Add xxd command to print file content as hexdump to standard out Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Roger Knecht <rknecht@pm.me>
50 lines
864 B
ReStructuredText
50 lines
864 B
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+:
|
|
|
|
xxd command
|
|
===============
|
|
|
|
Synopsis
|
|
--------
|
|
|
|
::
|
|
|
|
xxd <interface> <dev[:part]> <file>
|
|
|
|
Description
|
|
-----------
|
|
|
|
The xxd command prints the file content as hexdump to standard out.
|
|
|
|
interface
|
|
interface for accessing the block device (mmc, sata, scsi, usb, ....)
|
|
|
|
dev
|
|
device number
|
|
|
|
part
|
|
partition number, defaults to 1
|
|
|
|
file
|
|
path to file
|
|
|
|
Example
|
|
-------
|
|
|
|
Here is the output for a example text file:
|
|
|
|
::
|
|
|
|
=> xxd mmc 0:1 hello
|
|
00000000: 68 65 6c 6c 6f 20 77 6f 72 6c 64 0a 00 01 02 03 hello world.....
|
|
00000010: 04 05 ..
|
|
=>
|
|
|
|
Configuration
|
|
-------------
|
|
|
|
The xxd command is only available if CONFIG_CMD_XXD=y.
|
|
|
|
Return value
|
|
------------
|
|
|
|
The return value $? is set to 0 (true) if the file is readable, otherwise it returns a non-zero error code.
|