[root@yanjin ~]# vim account.sh
#!/bin/bash
#
# Founded account
#
# History:
# 2012/07/06 JinYan
PATH=/sbin:/usr/sbin:/bin:/usr/bin; export PATH
accountfile="user.passwd"
# 1. Account information input
read -p "( Input title name, ex> std )======> " username_start
read -p "( Input degree, ex> 1 or enter )=> " username_degree
read -p "( Input start number, ex> 520 )========> " nu_start
read -p "( Input amount of users, ex> 100 )=====> " nu_amount
read -p "1)Password standard 2)Random number from the definition ==> " pwm
if [ "$username_start" == "" ]; then
echo "No input code not execution" ; exit 1
fi
testing1=`echo $nu_amount | grep '[^0-9]' `
testing2=`echo $nu_start | grep '[^0-9]' `
if [ "$testing1" != "" ] || [ "$testing2" != "" ]; then
echo "The input number is wrong, the digital content" ; exit 1
fi
if [ "$pwm" != "1" ]; then
pwm="2"
fi
# 2. Start with the password files output account
[ -f "$accountfile" ] && mv $accountfile "$accountfile"`date +%Y%m%d`
nu_end=$(($nu_start+$nu_amount-1))
for (( i=$nu_start; i<=$nu_end; i++ ))
do
account=$username_start$username_degree$i
if [ "$pwm" == "1" ]; then
password="$account"
else
password=""
test_nu=0
until [ "$test_nu" == "8" ]
do
temp_nu=$(($RANDOM*50/32767+30))
until [ "$temp_nu" != "60" ]
do
temp_nu=$(($RANDOM*50/32767+30))
done
test_nu=$(($test_nu+1))
temp_ch=`printf "\x$temp_nu"`
password=$password$temp_ch
done
fi
echo "$account":"$password" | tee -a "$accountfile"
done
# 3. Began to establish account number and password
cat "$accountfile" | cut -d':' -f1 | xargs -n 1 useradd -m
chpasswd < "$accountfile"
pwconv
echo "OK!Establish complete."