redis start/stop scripts

redis scripts

#!/bin/env bash

if [ $# -ne 1 ]; then
  echo '引数はひとつ'
  exit
fi
ARG=$1

start() {
  pong=$(redis-cli ping 2>/dev/null )
  if [ $pong  == 'PONG' ]; then
    echo 'redis is already running'
    exit
  fi
  echo redis-server
}

stop() {
  redis-cli shutdown
}

case $ARG in
  'start'|'') start;;
  'stop');;
  * ) echo "Usage $0 {start|stop}"; exit 1;;
esac