bash - Check wordcount in until loop -

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i want continue bash script when docker container has 2 mentions of string in logs..i tried following code can't seem re-count variable (using eval), stays stuck:

number=`docker logs mysql 2>&1 | grep 'mysqld: ready connections' | wc -l`  until [ "$number" -eq 2 ];     sleep 2     echo $number     eval "$number" done  echo mysql started , rebooted, continue..

i fixed this:

number=0  until [ "$number" -eq 2 ];     sleep 2     number=`docker logs mysql 2>&1 | grep 'mysqld: ready  connections' | wc -l` done

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