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stty
===
修改终端命令行的相关设置
## 说明
**stty命令** 修改终端命令行的相关设置
## 选项
```
stty(选项)(参数)
```
```
-a：以容易阅读的方式打印当前的所有配置
-g：以stty可读方式打印当前的所有配置
```
### 参数
终端设置：指定终端命令行的设置选项
## 实例
**在命令行下，禁止输出大写的方法：**
```
stty iuclc #开启
stty -iuclc #恢复
```
**在命令行下禁止输出小写：**
```
stty olcuc #开启
stty -olcuc #恢复
```
**打印出终端的行数和列数：**
```
stty size
```
**改变Ctrl+D的方法:**
```
stty eof "string"
```
系统默认是Ctrl+D来表示文件的结束，而通过这种方法，可以改变！
**屏蔽显示：**
```
stty -echo #禁止回显
stty echo #打开回显
```
测试方法:
```
stty -echo;read;stty echo;read
```
**忽略回车符：**
```
stty igncr #开启
stty -igncr #恢复
```
**定时输入：**
```
timeout_read()
{
timeout=$1
old_stty_settings=`stty -g`#save current settings
stty -icanon min 0 time 100#set 10seconds,not 100seconds
