(转）Linux下生产随机字符
#!/bin/shalphabeta="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"
number="0 1 2 3 4 5 6 7 8 9"
A=($alphabeta) # save as array
N=($number)
num_a=${#A}
num_n=${#N}
echo ${A[$((RANDOM%num_a))]}${N[$((RANDOM%num_n))]}
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