1、测试1
[root@centos7 test2]# cat test.sh #!/bin/bash read -p "please input an character: " i case $i in [a-z]|[A-Z]) echo "letter!" ;; [0-9]) echo "number!" ;; *) echo "other!" esac [root@centos7 test2]# bash test.sh please input an character: 9 number! [root@centos7 test2]# bash test.sh please input an character: d letter! [root@centos7 test2]# bash test.sh please input an character: [] other!
2、测试2
[root@centos7 test2]# ls test2.sh [root@centos7 test2]# cat test2.sh #!/bin/bash read -p "please input yes or no: " anw case $anw in [yY][eE][sS]|[yY]) echo "yes" ;; [nN][oO]|[nN]) echo "no" ;; *) echo "false." esac [root@centos7 test2]# bash test2.sh please input yes or no: y yes [root@centos7 test2]# bash test2.sh please input yes or no: no no [root@centos7 test2]# bash test2.sh please input yes or no: 325
false.