echo 'hello world'|tr a-z A-Z
echo 'HELLO WORLD'|tr A-Z a-z
echo 'HELLO WORLD'|tr [:upper:] [:lower:]
echo 'hello world'|tr [:lower:] [:upper:]
tr - translate or delete characters
wx5bbc67ce7b2af ©著作权
echo 'hello world'|tr a-z A-Z
echo 'HELLO WORLD'|tr A-Z a-z
echo 'HELLO WORLD'|tr [:upper:] [:lower:]
echo 'hello world'|tr [:lower:] [:upper:]
tr - translate or delete characters
这两天又被mysql8.0大小写的问题坑到了,看下面的报错:chown: cannot access './proc/38/fd/6': No such file or directorychown: cannot access './proc/38/fd/7': No such file or directorychown: cannot access './proc/38/fdinfo
mysql8.0.23rpm安装
在菜单栏找到:Tools-->Execute Commands --> Edit/Run Script 快捷键:Ctrl+Shift+X 输入下边的代码就可以了。(UCase大写 LCase小写)
给定一个大写字母,要求用小写字母输出。解题思路:关键是找到大、小写
le/details/52695089大写: 把所
#include #include ...
举报文章
请选择举报类型
补充说明
0/200
上传截图
格式支持JPEG/PNG/JPG,图片不超过1.9M