13 lines
395 B
Markdown
13 lines
395 B
Markdown
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# until
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> Simple shell loop that repeats until it receives zero as return value.
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> More information: <https://www.gnu.org/software/bash/manual/bash.html#index-until>.
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- Execute a command until it succeeds:
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`until {{command}}; do :; done`
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- Wait for a systemd service to be active:
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`until systemctl is-active --quiet {{nginx}}; do {{echo "Waiting..."}}; sleep 1; done; {{echo "Launched!"}}`
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