alias oslimits='openstack limits show --absolute --project 419f416f3da34412b986fc1092911499'

function os_limits_usage(){
        case "$1" in
          cores)
          oslimits -f value | \
                  egrep '(totalCoresUsed|maxTotalCores)' | \
                  awk '{print $2}' | perl -pe 's/\n/ /g' | awk '{print $2 - $1 }'
          ;;
          memory)
          oslimits -f value | \
                  egrep '(totalRAMUsed|maxTotalRAMSize)' | \
                  awk '{print $2}' | perl -pe 's/\n/ /g' | awk '{print $2 - $1 }'
          ;;
          instances)
          oslimits -f value | \
                  egrep '(totalInstancesUsed|maxTotalInstances)' | \
                  awk '{print $2}' | perl -pe 's/\n/ /g' | awk '{print $2 - $1 }'
          ;;
        esac
}
export -f os_limits_usage

```bash alias oslimits='openstack limits show --absolute --project 419f416f3da34412b986fc1092911499' function os_limits_usage(){ case "$1" in cores) oslimits -f value | \ egrep '(totalCoresUsed|maxTotalCores)' | \ awk '{print $2}' | perl -pe 's/\n/ /g' | awk '{print $2 - $1 }' ;; memory) oslimits -f value | \ egrep '(totalRAMUsed|maxTotalRAMSize)' | \ awk '{print $2}' | perl -pe 's/\n/ /g' | awk '{print $2 - $1 }' ;; instances) oslimits -f value | \ egrep '(totalInstancesUsed|maxTotalInstances)' | \ awk '{print $2}' | perl -pe 's/\n/ /g' | awk '{print $2 - $1 }' ;; esac } export -f os_limits_usage ```