我在Shell脚本中创建一个bot：
# Array with expressions
expressions=("Ploink Poink" "I Need Oil" "Some Bytes are Missing!" "Poink Poink" "Piiiip Beeeep!!" "Hello" "Whoops! I'm out of memmory!")
# Seed random generator
RANDOM=$$$(date +%s)
# Loop loop loop loop loop loop ...
while [ 1 ]
do
# Get random expression...
selectedexpression=${expressions[$RANDOM % ${#RANDOM[*]}]}
# Write to Shell
echo $selectedexpression
# Wait an half hour
sleep 1 # It's one second for debugging,dear SOers
done
我希望它每秒从表达式中打印一个随机项.我试过这个,但它不起作用.它每次只打印第一个(Ploink Poink).谁能帮我吗？
谢谢
将您定义selectedexpression的行更改为
selectedexpression = ${expressions [$RANDOM％${#expressions [@]}]}
您希望索引表达式是从0到表达式数组长度的随机数.这样做会.
