On 01/15/08 21:24, Clint Adams wrote:
> On Tue, Jan 15, 2008 at 01:12:21AM -0800, Kingsley G. Morse Jr. wrote:
> > FYI: I happened to notice that editing in place
> > with sed's "-i" option also removes symlinks and
> > creates new, duplciate files.
>
> perl -i does the exact same thing. What makes you think this is a bug?
Hi Clint,
That's interesting that "perl -i" behaves the same
way.
Here's why it seems to me that this is a bug.
1.) symbolic links are lost,
2.) duplicate files are created and
3.) only one copy of each file is edited.
For example, I used sed's "-i" option to edit
symbolically linked files in /etc/rc*/*. As you
know, these directories contain scripts that
launch daemons at boot time.
Two tangible consequences that I encountered are
a.) multiple copies of at least one daemon
were launched, which corrupted a log file with
duplicate data and
b.) "apt-get install" failed to upgrade the
libc6 package with an error message about not
finding the symbolic link.
I'm confident that sed's behavior could cause
many other problems.
Thanks,
Kingsley
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