Could be related to:
https://bugzilla.redhat.com/show_bug.cgi?id=470912
(at least that would explain the difference between RHEL5 and F10 -- I
don't have any explanation for the diff between F10 and F11/12).
Anyway F10 is the right behavior from my point of view...
--
Regards,
Milos
Dne 2.9.2009 17:35, Warren Togami napsal(a):
I just noticed some behavior changes within sed. Run the following
commands in various distros.
#!/bin/bash
set -x
echo "abc" > original.txt
ln -s original.txt symlink.txt
sed -i 's/abc/123/' symlink.txt
if [ -L symlink.txt ]; then
echo yes symlink
else
echo not symlink anymore
fi
cat original.txt
cat symlink.txt
RHEL5
=====
[user@rhel5 ~]$ echo "abc" > original.txt
[user@rhel5 ~]$ ln -s original.txt symlink.txt
[user@rhel5 ~]$ sed -i 's/abc/123/' symlink.txt
sed: ck_follow_symlink: couldn't lstat s/original.txt: No such file or
directory
[user@rhel5 ~]$ cat symlink.txt
abc
[user@rhel5 ~]$ cat original.txt
abc
original.txt is unmodified, symlink.txt is still a symlink.
Fedora 10
=========
[user@fedora10 ~]$ echo "abc" > original.txt
[user@fedora10 ~]$ ln -s original.txt symlink.txt
[user@fedora10 ~]$ sed -i 's/abc/123/' symlink.txt
[user@fedora10 ~]$ cat symlink.txt
123
[user@fedora10 ~]$ cat original.txt
123
original.txt is modified, symlink.txt is still a symlink.
Fedora 11 and 12
================
[user@fedora11 ~]$ echo "abc" > original.txt
[user@newcaprica ~]$ ln -s original.txt symlink.txt
[user@newcaprica ~]$ sed -i 's/abc/123/' symlink.txt
[user@newcaprica ~]$ cat original.txt
abc
[user@newcaprica ~]$ cat symlink.txt
123
original.txt is not modified, symlink.txt is no longer a symlink.
symlink.txt now contains a modified version of original.txt as a plain
file.
What is the correct behavior? Is this a bug that it changed?
Warren Togami
wtogami@xxxxxxxxxx
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