运维技巧系列之shell随机生成密码脚本

shell随机生成密码脚本

#!/bin/bash
# author: nick.gui
# date: 2015-09-04
len=90
str=(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 ((i=1;i<=$len;i++)); do
    arr[$i]=${str[$[$RANDOM%87]]}
done ;
echo  "${arr[@]}" | tr  -d  " "