On Wed, 2018-11-07 at 10:22 +0100, srinivasan wrote: > blkid -o export %s | grep \'TYPE\' | cut -d\"=\" -f3
You don't need to escape the single quotes. Try either: "blkid -o export %s | grep 'TYPE' | cut -d'=' -f3" or: 'blkid -o export %s | grep "TYPE" | cut -d"=" -f3' or: "blkid -o export %s | grep \"TYPE\" | cut -d\"=\" -f3" HTH -- https://mail.python.org/mailman/listinfo/python-list