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deckerego/launch_wait.sh

Created October 19, 2017 19:35
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Sleep while waiting for a TCP port to open, then execute a command
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launch_wait.sh
#!/bin/bash
HOST="$1"
PORT="$2"
RUNNING=1
while [[ $RUNNING -ne 0 ]]; do
echo "Waiting for $HOST:$PORT..."
sleep 3
nc -z "$HOST" "$PORT"
RUNNING=$?
done
${@:3}
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