test a sed command?

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Συντάκτης: Dazed_75
Ημερομηνία:  
Προς: Main PLUG discussion list
Αντικείμενο: test a sed command?
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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