From: Robert Klemme <shortcutter@...>
Date: 2012-08-13T00:39:30+09:00
Subject: Re: Delete a lines from a files

On Sun, Aug 12, 2012 at 3:00 PM, Fosiul Alam <lists@ruby-forum.com> wrote:
> Jan E. wrote in post #1072045:
>
>>
>> You cannot delete a line from a file. But you can overwrite the file and
>> skip this line.
>>
>
> Hi thanks
> but sorry for late reply.
> but how do you skip the line ???
> what would be the steps
> thanks

If you really only need to delete a single line from a file sed is
probably the easiest choice:

without backup
$ sed -i '/^john/ d' your_file

with backup
$ sed -i.bak '/^john/ d' your_file

Kind regards

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/