bash shell数组模拟队列queue和shell数组使用技巧

该篇文章也是我在网上找的，现在我在努力学习数组，所以就想多了解一下，现在先收藏了，等有时间了就好好的消化一下，O(∩_∩)O哈哈~

一 shell数组操作模拟队列queue或者栈stack

http://www.tech-recipes.com/rx/911/queue-and-stack-using-array/

here is a series of operation on array,we can use these functions to implement a queue or stack that can help us more

push:
array=(“${array[@]}” $new_element)

pop:
array=(${array[@]:0:$((${#array[@]}-1))})

 

shift:
array=(${array[@]:1})

unshift
array=($new_element “${array[@]}”)

 

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