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Control Shell Loop - Repeat Commands Until Zero | Online Free DevTools by Hexmos
Control shell loop execution with the 'until' command. Easily repeat commands until a zero return value. Free online tool, no registration required.
until
Simple shell loop that repeats until it receives zero as return value. More information: https://www.gnu.org/software/bash/manual/bash.html#index-until.
- Execute a command until it succeeds:
until {{command}}; do :; done
- Wait for a systemd service to be active:
until systemctl is-active {{[-q|--quiet]}} {{nginx}}; do {{echo "Waiting..."}}; sleep 1; done; {{echo "Launched!"}}
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