從文件

Question

刪除角色我已經放出來這樣

'< Jan 20 Sep> This is the sample out put 
This is Sample 
> 

'< Jan 21 Sep> This is the sample out put 
This is Known Errors 
> 

，所以我需要從文件中刪除所有>特殊字符。只有一個特殊字符>存在的行需要被刪除。
我想有以下出來把

'< Jan 20 Sep> This is the sample out put 
This is Sample 
'< Jan 21 Sep> This is the sample out put 
This is Known Errors 

Answer 1

您可以使用SED

sed '/^>$/d' myfile 

如果輸出，如果對你有好處，你可以使用-i標誌覆蓋文件：

sed -i '/^>$/d' myfile 

Answer 2

grep -fvx '>' <myfile >myfile_with_offending_lines_removed