#!/bin/sh echo "$1" if [ "$1" != remove ] then exit 0 fi setup_hdfsadm_user() { if ! getent passwd hdfsadm >/dev/null; then echo "no account found: 'hdfsadm'." else userdel hdfsadm rm -rf /home/hdfsadm rm -rf /var/log/hadoop rm -rf /tmp/hadoop-hdfsadm* rm -rf /tmp/hsperfdata_* fi } setup_hdfsadm_user