How can you run a command in bash over until success

Question

I have a script and want to ask the user for some information, the script cannot continue until the user fills in this information. The following is my attempt at putting a

Answer 1

If anyone looking to have retry limit:

max_retry=5
counter=0
until $command
do
   sleep 1
   [[ counter -eq $max_retry ]] && echo "Failed!" && exit 1
   echo "Trying again. Try #$counter"
   ((counter++))
done