astlinux-devel Mailing List for AstLinux

David,

Excellent, this taught us all something.  I might write it like...
--
if ! fuser -s $f; then
  # do stuff on with the file, $f is not open by any other process
fi
--

Lonnie


On Apr 22, 2011, at 7:46 PM, David Kerr wrote:

> Thanks lonnie, that is indeed what I needed to know.  The actual code I ended up using looks like this...
> 
>  fuser -s $f
>  if [ $? -ne 0 ]
>  then
>     # do stuff on with the file, $f is not open by any other process
>  fi
> 
> 
> David
> 
> On Thu, Apr 21, 2011 at 1:09 AM, Lonnie Abelbeck <li...@lo...> wrote:
> David,
> 
> It looks like "fuser" may do what you what:
> --
> while fuser -s foo; do
>  echo "filename foo is busy"
>  sleep 1
> done
> --
> 
> I've never had a situation to use it.
> 
> Lonnie
> 
> On Apr 20, 2011, at 7:51 PM, David Kerr wrote:
> 
> > I'm trying to create a bash script that loops looking for the existence of a file that may be created by another process.  I need to know not just if the file exists, but also that the file is not open by the other process.... so that I only act on it once the other process closes the file.
> >
> > In linux there is a command lsof (list open files) that would do it for me.  But this does not seem to be available in astlinux.  Would this be easy to add?  Or can anyone suggest an alternative way to determine if a given file is open or not?
> >
> > Thanks,
> > David
> 
> 
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Thanks lonnie, that is indeed what I needed to know.  The actual code I
ended up using looks like this...

 fuser -s $f
 if [ $? -ne 0 ]
 then
    # do stuff on with the file, $f is not open by any other process
 fi


David

On Thu, Apr 21, 2011 at 1:09 AM, Lonnie Abelbeck
<li...@lo...>wrote:

> David,
>
> It looks like "fuser" may do what you what:
> --
> while fuser -s foo; do
>  echo "filename foo is busy"
>  sleep 1
> done
> --
>
> I've never had a situation to use it.
>
> Lonnie
>
> On Apr 20, 2011, at 7:51 PM, David Kerr wrote:
>
> > I'm trying to create a bash script that loops looking for the existence
> of a file that may be created by another process.  I need to know not just
> if the file exists, but also that the file is not open by the other
> process.... so that I only act on it once the other process closes the file.
> >
> > In linux there is a command lsof (list open files) that would do it for
> me.  But this does not seem to be available in astlinux.  Would this be easy
> to add?  Or can anyone suggest an alternative way to determine if a given
> file is open or not?
> >
> > Thanks,
> > David
>
>
>
> ------------------------------------------------------------------------------
> Benefiting from Server Virtualization: Beyond Initial Workload
> Consolidation -- Increasing the use of server virtualization is a top
> priority.Virtualization can reduce costs, simplify management, and improve
> application availability and disaster protection. Learn more about boosting
> the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev
> _______________________________________________
> Astlinux-devel mailing list
> Ast...@li...
> https://lists.sourceforge.net/lists/listinfo/astlinux-devel
>
> Donations to support AstLinux are graciously accepted via PayPal to
> pa...@kr....
>