# strings

在对象文件或二进制文件中查找可打印的字符串

## 补充说明

**strings命令** 在对象文件或二进制文件中查找可打印的字符串。字符串是4个或更多可打印字符的任意序列，以换行符或空字符结束。 strings命令对识别随机对象文件很有用。

### 语法

```
strings [ -a ] [ - ] [ -o ] [ -t Format ] [ -n Number ] [ -Number ]  [file ... ]
```

### 选项

```
-a --all：扫描整个文件而不是只扫描目标文件初始化和装载段
-f –print-file-name：在显示字符串前先显示文件名
-n –bytes=[number]：找到并且输出所有NUL终止符序列
- ：设置显示的最少的字符数，默认是4个字符
-t --radix={o,d,x} ：输出字符的位置，基于八进制，十进制或者十六进制
-o ：类似--radix=o
-T --target= ：指定二进制文件格式
-e --encoding={s,S,b,l,B,L} ：选择字符大小和排列顺序:s = 7-bit, S = 8-bit, {b,l} = 16-bit, {B,L} = 32-bit
@ ：读取中选项
```

### 实例

列出ls中所有的ASCII文本：

```
strings /bin/ls
```

列出ls中所有的ASCII文本：

```
cat /bin/ls strings
```

查找ls中包含libc的字符串，不区分大小写：

```
strings /bin/ls | grep -i libc
```


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