Created
          September 4, 2018 02:44 
        
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        Save alonWang/92b338ed2dc0e6e4117d4298bd1216c2 to your computer and use it in GitHub Desktop. 
    利用sed和find修改当前目录下所有txt文件
  
        
  
    
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  | sed -i "s/old/new/" `find . -name '*.txt'` | 
  
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