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