原有文件: test.file
文件內容:
- this is line 1 on original test.file!
- this is line 2 on original test.file!!
- this is line 3 on original test.file!!!
刪除第三行
- # sed -i "3d' test.file
- # cat test.file
- this is line 1 on original test.file!
- this is line 2 on original test.file!!
Parameter
- d ==> 刪除指定行號
- c\<字串> ==> 以 <字串> 取代指定的行號
- a\<字串> ==> 在指定的行號後新增一行 <字串>
- a lot of parameters.
