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34e452dd02
Currently all shell command docs are put in the doc/usage root. Let's group them into cmd/ sub-directory. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
40 lines
702 B
ReStructuredText
40 lines
702 B
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+
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size command
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============
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Synopsis
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--------
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::
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size <interface> <dev[:part]> <filename>
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Description
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-----------
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The size command determines the size of a file and sets the environment variable
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filesize to this value. If filename points to a directory, the value is set to
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zero.
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If the command fails, the filesize environment variable is not changed.
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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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filename
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path to file
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Configuration
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-------------
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The size command is only available if CONFIG_CMD_FS_GENERIC=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 command succeded and to 1 (false)
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otherwise.
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