密碼指令碼

#/bin/bash
#get new password
#Yoon

pwdlength=20
pwdcount=7
charlist=(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c d e f g h i j k l m n o p q r s t u v w x y z 1 2 3 4 5 6 7 8 9 0 _)

for (( k=0;k
do

  pwdstr=""
  for (( i=0;i
  do

    j=$(($RANDOM%63))
    newchar=${charlist[$j]}
    newpwdstr=${pwdstr}${newchar}
    pwdstr=$newpwdstr
  done

   echo $pwdstr >> pwd.txt

done