problem

#!/bin/bash
egrep "^$1" /etc/passwd >/dev/null
if [ $? -eq 0 ]; then
		echo "$1 exists!"
		exit 1
fi
#mkdir -p /home/glavni/zarade/$1
useradd -d /home/glavni/zarade/$1/ -c "`echo $1 | sed 's/\./\-/g'`" `echo $1 | sed 's/\./\-/g'`;
chown -R `echo $1 | sed 's/\./\-/g'`:728 /home/glavni/zarade/$1/
echo `echo $1 | sed 's/\./\-/g'` >> /etc/vsftpd.korisnici
sed -i "s/:\/home\/\/glavni\/zarade\/$1\/:\/bin\/bash/:\/home\/\/glavni\/zarade\/$1\/:\/sbin\/nologin/g" /etc/passwd
mkdir -p /home/glavni/zarade/$1/Lis
mkdir -p /home/glavni/zarade/$1/Morin
mkdir -p /home/glavni/zarade/$1/Morout
mkdir -p /home/glavni/zarade/$1/PD
chmod -R 770 /home/glavni/zarade/$1/
chown -R $1:zarade /home/glavni/zarade/$1/
#---------------------------------------------------------------------------#
#----------------Password-----------------------------------------#
#---------------------------------------------------------------------------#
# Sets the maximum size of the password the script will generate
MAXSIZE=8

# Holds valid password characters.
array1=(
w e r t y u p a s d f h j k z x c v b m Q W E R T Y U P A D
F H J K L Z X C V B N M 2 3 4 7 8 5 6 1 0 9 - _ $ +
)

# Used in conjunction with modulus to keep random numbers in range of the array size.
MODNUM=${#array1[*]}

# Keeps track of the number characters in the password.
pwd_len=0

while [ $pwd_len -lt $MAXSIZE ]
do
index=$(($RANDOM%$MODNUM))
password="${password}${array1[$index]}"
((pwd_len++))
done
echo $password;