Shell Programming and Scripting

#!/bin/bash

prompt_list () {
# haal uit de argumenten de prompt en de keuzes
   ARRAY=("${@}")
   LEN=${#ARRAY[@]}
   PROMPT=${ARRAY[0]}
   CHOICES=${ARRAY[@]:1:$LEN}
#echo len: $LEN
#echo prompt: $PROMPT
#echo keuzes: $CHOICES
   echo -e "\e[01;31m${PROMPT}\e[00m"
   PS3="Maak je keuze ('s' voor stop): "
   CHOICE=false
   select ANSWER in ${CHOICES}; do
      case ${ANSWER} in
         *    ) CHOICE=${ANSWER};  break;;
      esac
   done
   check_stop ${CHOICE}
}

check_stop () {
   if [ -z ${1} ]
   then
      echo -e "\n\e[01;31mJe hebt er voor gekozen om te stoppen\e[00m\n"
      exit
   fi
}

contains() {
    string="$1"
    substring="$2"
    if test "${string#*$substring}" != "$string"
    then
        CONTAINS=ja
    else
        CONTAINS=nee
    fi
}

echo "--------------------------------------"
if [ $# = 0 ]
then
	echo "Usage: $0 <username>"
	exit
fi

	

USERS=$@ 
echo "Users zijn $USERS"
updatedb
prompt_list "Which tar.gz you want to use for userid?" `locate *etc*passwd.tar.gz`
PASSWD_OBJECT=${CHOICE}
echo "--------------------------------------"
prompt_list "Which tar.gz you want to use for groupid?" `locate *etc*group.tar.gz`
GROUP_OBJECT=${CHOICE}

tar -zxvf ${GROUP_OBJECT}
tar -zxvf ${PASSWD_OBJECT}

for USER in $USERS		
do		
	read -e -p "Which user you want to know the userid and groupid? " -i "$USER" USER
	USERID=`cat passwd | grep "^${USER}:" | cut -d":" -f3`
	if [ "${USERID}x" = "x" ]
	then
		echo "User $USER not in passwd"
	else
 	
		echo -e "userid is: \t$USERID"

		GROUPID=`cat passwd | grep "^${USER}:" | cut -d":" -f4`
		echo -e "groupid is: \t$GROUPID"
		
		HOMEID=`cat passwd | grep "^${USER}:" | cut -d":" -f6`
		echo -e "homedir is: \t$HOMEID"

		SHELLID=`cat passwd | grep "^${USER}:" | cut -d":" -f7`
		echo -e "shellid is: \t$SHELLID"

		GROUPID2=`cat group | grep "^${USER}:" | cut -d":" -f3`
                echo -e "groupid in group is: \t$GROUPID2"
	
		if [ ${GROUPID} -eq ${GROUPID2} ]
		then
			SUDOERS=`cat group | grep "^sudo:" | cut -d":" -f4`
                	echo -e "sudoers: \t$SUDOERS"
			
			contains $SUDOERS $USER
			echo $CONTAINS
			if [ "$CONTAINS" == "ja" ]
			then
				SUDOPARAM="-G sudo"
			else
    			        SUDOPARAM=""
			fi
		
			echo "This is ${SUDOPARAM}"

			groupadd -g ${GROUPID2} ${USER}
      			RESULT=$?
			echo -e "\e[01;31mResult Add to groep is ${RESULT}\e[00m"
			useradd -u ${USERID} -g ${GROUPID} ${SUDOPARAM} -d ${HOMEID} -m -s ${SHELLID} ${USER}
			RESULT=$?
			echo -e "\e[01;31mAdd result user is ${RESULT}\e[00m"
		else 
			echo "groupid of passwd is not equal from groupid of group"
		fi
	fi
done

sed 's/\<cat \([^ ][^ ]*  *\)| *\([^{(]\)/ < \1\2/' yourscript > newscript

diff yourscript newscript

IFS=":" read X X USERID GROUPID X HOMEID SHELLID < <(grep $USER /etc/passwd)