#!/bin/bash
#ls /nonexistentdirectory/


#ids=blkid

blkid | `grep - 'PARTUUID="e296ad9d-d0f6-421f-86cb-de95dd5d13ae" '`   # ok
#`blkid` | `grep 'PARTUUID="e296ad9d-d0f6-421f-86cb-de95dd5d13ae"'`
#blkid | `grep PARTUUID="e296ad9d-d0f6-421f-86cb-de95dd5d13ae"`
#blkid | `ids=grep PARTUUID="e296ad9d-d0f6-421f-86cb-de95dd5d13ae"`
##blkid | ids=grep PARTUUID="5d71822c-02"
#print $ids

exit

if [ $? -ne 0 ]; then
  echo "error"
else
  echo "ok"
fi