remove line

sub320 · 02-12-2016, 02:01 AM

I have the below file , I just would like to have a method ( script ) so that to find the line(s) have the string "yyy" , then delete the lines with such string , would advise how to write script ?

thanks

Code:

#vi example.txt

aaa bbb ccc xxxx
aaa bbb ccc yyy
aaa bbb ddd yyy

after run the script ,the output should be as below .

Code:

aaa bbb ccc xxxx

pan64 · 02-12-2016, 02:24 AM

have you checked grep and/or sed already? You can easily find examples using these tools (to solve similar problems)

Ramurd · 02-13-2016, 09:33 AM

Somehow I feel like going evil...

Code:

sed -i -e 's/.*/aaa bbb ccc xxxx/g' example.txt && sort -u example.txt

it does give the required outcome, right?