title: Get variable outside WHILE in SHELL BASH script
body: <p>How echo variable x and y outside "while" in SHELL script: </p>
  
  <pre><code>#!/bin/bash
  x=1
  y=1
  
      mysql -e "show tables like 'do97_%';" --host=localhost --skip-column-names -u login999il --password=e9999999999df54y basenamel | while read tables; do
      mysql -e "SELECT id, tolbox, del_time FROM $tables WHERE deleted=0 ORDER BY create_time DESC LIMIT 0" --host=localhost --skip-column-names -u login999il --password=e9999999999df54y basenamel | while read id tolbox del_time; do
      y=$(($y+1))
  
      done
  
      x=$(($x+1))
      done
  
      # how get this variable outside "WHILE"
      echo $x
      echo $y
  </code></pre>
  
  <p>when  I run this script x and y echo empty space, when i echo this inside "while" operator it work but how get variable outside?</p>