Shell Programming and Scripting

$ more user.sh
#!/bin/ksh
set -x
pwfile="/etc/passwd"    shadowfile="/etc/shadow"
gfile="/etc/group"

######Want to check user account already exist###############

echo "Add new user account name to create"
echo -n "creation login name: "     ; read login
LOG=`grep -i $login $pwfile|awk -F: '{print $1}'`
if [ "$LOG" =  "$login" ] ; then
echo "user account found"
exit 0
fi

echo -n "full name of user creation: " ; read fullname

echo -n "similer_profile of team member: " ;read similer_profile

############ want to check similler profile having in the server########
SIMILOGIN_Profile=`grep -i $similer_profile $pwfile|awk -F: '{print $1}'`
#echo "Value of SIMILOGIN_Profile :$SIMILOGIN_Profile"
if [ "$SIMILOGIN_Profile"  -ne "$similer_profile" ] ;then
echo "similer_profile not found"
elif [ "$SIMILOGIN_Profile"  = "$similer_profile" ] ;then
Profile_homedirectory=`grep -i $SIMILOGIN_Profile $pwfile`
echo $Profile_homedirectory
Genericid_search=`id -a $SIMILOGIN_Profile`
echo $Genericid_search
fi
echo -n "userID: " ; read userID
UID_Exist=`grep -i $userID $pwfile|awk -F: '{print $3}'`
if [ "$UID_Exist" =  "$userID" ] ; then
echo "user ID found"
exit 0
fi

groupiD=`id -a $SIMILOGIN_Profile |awk '{print $3}'|cut -d "," -f1|cut -d "(" -f1 |cut -d "=" -f2`
secondory_group=`id -a $SIMILOGIN_Profile |awk '{print $NF}'|cut -d"," -f2|cut -d "(" -f1`
HomeDirectory=`grep -i $similer_profile $pwfile|awk '{print $2}' |cut -d ":" -f2 |sed s/$SIMILOGIN_Profile/$login/g`
#HomeDirectory_search=`grep -i $similer_profile $pwfile|awk '{print $2}' |cut -d ":" -f2`
#HomeDirectory=$HomeDirectory_search |`sed s/$SIMILOGIN_Profile/$login/g`
shell=`grep -i $similer_profile $pwfile|awk '{print $2}' |cut -d ":" -f3`
#echo -n "gid: "     ; read groupiD
#echo -n "GenricID: " ; read GenricID
#echo -n "HomeDirectory " ; read HomeDirectory
#echo -n "shell: "     ; read shell


sudo /usr/sbin/useradd -u $userID -g $groupiD -G $secondory_group -c "$fullname" -m -d $HomeDirectory -s $shell $login
user_account_status=`grep -i $login $pwfile|awk -F: '{print $1}'`
if [ "$user_account_status" -ne  "$login" ] ; then
echo "user_account_status not created"
elif [ "$user_account_status" = "$login" ] ; then
password=`sudo passwd  $login`
fi
echo -n "Enter the password" ; read passwd
server_name=`hostname`
echo -n "Enter the CO number: " ; read CO
echo -n "Enter the mailID: " ; read mailID
mailx -s "Acount has been created for your change order" $mailID <<EOF
--------------------------------------------------
Server name : $server_name
Change order number : $CO
User name  $login
password   $passwd
---------------------------------------------------
EOF
$