On Wednesday, July 3, 2002, at 06:18 , Deb wrote:
[..]
> I can't just check for certain filesystems, I have to "know" what is
> mounted at a given time... But the fact that there is NFS server/
> client game where they no longer make nice - well, I need to discover
> that before issuing the df cmd, methinks. I suppose I could check
> the log for error messages, but that is frought with other problems.
[..]
by default - all networks solutions are EVIL.
note:
vladimir: 69:] perl -n -e 'm/^(.*)(?:nfs|autofs)/;\
print "$1 \n" if $1;' /etc/mnttab
auto_gax /net/gax
-xfn /xfn
vladimir:vold(pid196) /vol
gax:/export/home /net/gax/home
p0: the first three things that our waltz through /etc/mnttab
are 'hypothetical entities' - the first being cuteness for
the autofs - the second WackoNeff with /xfn, the third the 'vold'...
The only one of them that actually is a reference to a real live
honest to God, sit right down on the file system nfs cross mounted
file system is that /net/gax/home....
And that is not even a 'fancy pants' nfs cross mount fiasco....
Since we are NOT woofing one 'auto_fs' entry per use who logs
into the host, as some folks do....
p1:
vladimir: 82:] perl -n -e 'm/^([\w\/:\)\(\-]+)\s*([\w\/]+).*((?:nfs|autofs)
)/; print "$1 $2 $3 \n" if ($1 && $2 && $3) ;' /etc/mnttab
auto_gax /net/gax autofs
-xfn /xfn autofs
vladimir:vold(pid196) /vol nfs
gax:/export/home /net/gax/home nfs
vladimir: 83:]
and BOING out you will notice that you have /net/gax and /net/gax/home
that would be contaminated points that you need to dodge.... but
remember that they are children of "/" - and.... well... as long
as you work the deal a bit better..... you can work around it...
p2: the real question remains, why ARE you doing a bland
system("df -lk");
in a script to begin with....
ciao
drieux
---
The Thing that REALLY sucks is that I can write
that perl one liner faster than I can do it in sed....
Oh the shame....
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