title: Delete keys from redis server using redis-cli
body: <p>I am trying to delete the KEYS using pattern from redis server but it is not getting deleted.</p>
  
  <p><b>Sample Keys</b></p>
  
  <pre><code>1) "flc_77sandeep-pant-back.int.dev.mykronos.com_personality:\xac\xed\x00\x05w\x03\t\xa0\x01"
  2) "flc_77sandeep-pant-back.int.dev.mykronos.com_personality:\xac\xed\x00\x05w\x0e\x03\x01SecondaryKe\xf9:\xac\xed\x00\x05w\x03\t\x98\x02"
  3) "flc_77sandeep-pant-back.int.dev.mykronos.com_personality:\xac\xed\x00\x05w\x03\t\xb8\x02"
  4) "flc_77sandeep-pant-back.int.dev.mykronos.com_personality:\xac\xed\x00\x05w\x0e\x03\x01SecondaryKe\xf9:\xac\xed\x00\x05w\x02\t!"
  5) "flc_1310sandeep-pant-back.int.dev.mykronos.com_personality:\xac\xed\x00\x05w\x0e\x03\x01SecondaryKe\xf9:\xac\xed\x00\x05w\x02\t~"
  6) "flc_1310sandeep-pant-back.int.dev.mykronos.com_personality:\xac\xed\x00\x05w\x0e\x03\x01SecondaryKe\xf9:\xac\xed\x00\x05w\x03\t\xc0\x02"
  7) "flc_-41sandeep-pant-back.int.dev.mykronos.com_personality:\xac\xed\x00\x05w\x03\t\xc5\x01"
  8) "flc_77sandeep-pant-back.int.dev.mykronos.com_personality:\xac\xed\x00\x05w\x0e\x03\x01SecondaryKe\xf9:\xac\xed\x00\x05w\x03\t\x94\x03"
  9) "flc_77sandeep-pant-back.int.dev.mykronos.com_personality:\xac\xed\x00\x05w\x03\t\xd3\x01"
  10) "flc_77sandeep-pant-back.int.dev.mykronos.com_personality:\xac\xed\x00\x05w\x0e\x03\x01SecondaryKe\xf9:\xac\xed\x00\x05w\x03\t\xee\x02"
  </code></pre>
  
  <p><b>Command</b></p>
  
  <pre>
  redis-cli KEYS *sandeep-pant* | xargs redis-cli DEL
  </pre>
  
  <p><b>Output</b></p>
  
  <pre><code>xargs: WARNING: a NUL character occurred in the input.  It cannot be passed through in the argument list.  Did you mean to use the --null option?
  xargs: unmatched double quote; by default quotes are special to xargs unless you use the -0 option
  (integer) 0
  </code></pre>