sed command in Shell

Sed-i '/CD ${ldir_dest}\/webextend\/pc && ln-s \/hard\/www_winclient\/bboxpc.exe./a\ \TCD ${LDIR_DEST}\/ WEBEXTEND\/PC && ln-s \/hard\/www_winclient\/' $i '. '

#参考别人后自己改的, it's mostly a variable.

Sed-i ' 4i dfsdfdsad ' xxx.txt #Insert contents between the fourth and fifth line is inserted in the 4th row, the original fourth row ran to V

#参考下边, some of the top.

Sed-i ' 4c Dfsdfdsad ' xxx.txt #Insert contents in the Lines 4 and overwrite the old on line 4th insert overwrite the original 4th row

#下边的是学的http://kaoshi.china.com/linux/learning/617077-1.htm

sed-i '/' "$test" '/d ' xxx.txt #删除某行, delete with content, this must add ' ""

Sed-i '/\[nand_para\]/a\flag = 1 ' filename.txt #这是别人的

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.

sed command in Shell