-i.bak (no space) to keep a backup of the original in case you need to revert the changes.

Kevin

On Sep 13, 2011 10:00 PM, "Dazed_75" <lthielster@gmail.com> wrote:
> How do people test sed replacements on something consequential? I thought I
> remembered sed having an option to just report what changes it WOULD HAVE
> made without actually making the changes. But I can't find anything like
> that.
>
> Best I can think of is to make a test directory [hierarchy], copy your files
> into it, run the sed command and then look at all the files for intended and
> unintended changes (or diff them from the originals). That would seem to
> suck!
>
> --
> Dazed_75 a.k.a. Larry
>
> The spirit of resistance to government is so valuable on certain occasions,
> that I wish it always to be kept alive.
> - Thomas Jefferson