2022-09-03 13:15:04 +00:00
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.. SPDX-License-Identifier: GPL-2.0+:
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2024-01-14 13:53:13 +00:00
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.. index::
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single: xxd (command)
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2022-09-03 13:15:04 +00:00
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xxd command
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2023-10-28 09:59:32 +00:00
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===========
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2022-09-03 13:15:04 +00:00
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Synopsis
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--------
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::
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xxd <interface> <dev[:part]> <file>
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Description
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-----------
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The xxd command prints the file content as hexdump to standard out.
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interface
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interface for accessing the block device (mmc, sata, scsi, usb, ....)
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dev
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device number
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part
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partition number, defaults to 1
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file
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path to file
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Example
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-------
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Here is the output for a example text file:
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::
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=> xxd mmc 0:1 hello
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00000000: 68 65 6c 6c 6f 20 77 6f 72 6c 64 0a 00 01 02 03 hello world.....
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00000010: 04 05 ..
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=>
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Configuration
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-------------
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The xxd command is only available if CONFIG_CMD_XXD=y.
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Return value
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------------
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The return value $? is set to 0 (true) if the file is readable, otherwise it returns a non-zero error code.
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