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                            ### 文件是否存在
這個命令同時也可以判斷 **文件夾** 是否存在。
正確的書寫格式：

~~~
.版本 2

文件是否存在 (“test1”)
~~~

>[warning] **注意：** 末尾不能帶 `\`
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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