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Provide a man-page for the sleep command. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Simon Glass <sjg@chromium.org>
45 lines
840 B
ReStructuredText
45 lines
840 B
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+
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.. Copyright 2023, Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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sleep command
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=============
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Synopsis
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--------
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::
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sleep <delay>
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Description
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-----------
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The *sleep* command waits for *delay* seconds. It can be interrupted by
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CTRL+C.
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delay
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delay in seconds. The value is decimal and can be fractional.
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Example
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-------
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The current data and time is display before and after sleeping for 3.2
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seconds:
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::
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=> date; sleep 3.2; date
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Date: 2023-01-21 (Saturday) Time: 16:02:41
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Date: 2023-01-21 (Saturday) Time: 16:02:44
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=>
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Configuration
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-------------
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The command is only available if CONFIG_CMD_SLEEP=y.
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Return value
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------------
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The return value $? is 0 (true) if the command completes.
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The return value is 1 (false) if the command is interrupted by CTRL+C.
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