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case逻辑判断基数还是偶数
1 2 3 4 5 6 7 8 9 10 11 12 13 | #!/bin/bash read -p "please input a number: " a b=$[ $a%2 ] case $b in 1) echo "the number is odd " ;; 0) echo "the number is even" ;; *) echo "it is not a odd or even" ;; esac |
注:*) echo "it is not a odd or even",只是语句完善,因为输入无论数字还是字符串不是0就是1
[root@Linux9 ~]# sh case.sh
please input a number: 2333 the number is odd [root@Linux9 ~]# sh case.sh please input a number: 6666 the number is even本文转自 boy461205160 51CTO博客,原文链接:http://blog.51cto.com/461205160/1742921
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