#!/usr/bin/sh
#
# Filename : grpsh
# Comments : To automate the process of changing group and file permissions
#            during a disaster recovery.
# Author   : Premson P. R.
# C. Date  : 15 May 2002


# Extract entries from /etc/passwd

cat /etc/passwd | awk -F ':' '{print $4, $6}' | grep -w -e "150" -w -e "200" > grpls
cat grpls | grep -w "150" | awk '{print $2}' | grep '^\/users' > 150grp
cat grpls | grep -w "200" | awk '{print $2}' | grep '^\/users' > 200grp
cat grpls | awk '{print $2}' | grep '^\/users' | sed "s/\/users\///g" > grplst

# Changing group info to dba

for i in `cat 150grp`
do
chgrp -R dba $i
echo "CHGRP For dba ($i) Complete."
done

# Changing group info to staff

for j in `cat 200grp`
do
chgrp -R staff $j
echo "CHGRP For staff ($j) Complete."
done

# Changing file permissions of .profile

for i in `cat grplst`
do
chown root:dba /users/$i/.profile
chmod 1444 /users/$i/.profile
echo "Successful. ($i)" | tee -a lst
done