# [EMAIL PROTECTED] / 2002-12-02 14:20:44 +0100:
> Today Conrad Sabatier wrote:
> > Recent versions of FreeBSD now have a version of 'sed' that can do these
> > types of replacements "in place", i.e., without the need for a temporary
> > file:
>
> > sed -i -e 's/^touch /rm /' infile
>
> No. I'm pretty sure, there is a temporary file somewhere. You can't
> edit a file `in place' really, w/o a need temporary files (or ev.
> memory mapping the file). With the `-i' flag sed does this for you,
> ie. no need that you create a temporary file.
wow, even the man page is not this anal. :)
point in case: there's no tmp file from the user's perspective, and
Conrad Sabatier's description is in line with the man page text:
-i extension
Edit files in-place, saving backups with the specified extension.
If a zero-length extension is given, no backup will be saved. It
is not recommended to give a zero-length extension when in-place
editing files, as you risk corruption or partial content in situ
ations where disk space is exhausted, etc.
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