test a sed command?

[Eric Cope]

Can you copy the file to /tmp and run it there?
Eric Cope

On Tue, Sep 13, 2011 at 9:00 PM, Dazed_75 <lthielster at 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
>
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