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shell function sleep until
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| #!/bin/bash | |
| current_time=$(date +%s) | |
| target_time=$(date -d "$*" +%s) | |
| seconds=$(( $target_time - $current_time )) | |
| echo "sleeping $seconds (`date -d "$*"`)" | |
| sleep $seconds | |
| # Usage: | |
| # sleep_until tomorrow 11:50 | |
| # sleep_until 24 hours | |
| # sleep_until 2015-02-19 11:50 | |
| # sleep_until next day 04:00 |
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