Lyle wrote:
>  Sattapattu wrote:
> >
> > What i am trying to do is,i have to run multiple perl programmes all at once
> > to change the contents of a text file. and the text file would contain 2
> > things. Test name and status. So as i run multiple perl programmes, i want
> > each prgm to read single line at once and check the status. if the status is
> > pending , change status to inprogress execute that line, and then change the
> > status to done and come out of the programme, else skip to the next line
> > till it finds pending. Just wanted to make sure, this would give access
> > denied error, as the file would be used by another programmes
>  
>  All depends on the file locking and how you are opening the file to 
>  read/write. On windows the locking is automatic i'm pretty sure), so it 
>  depends on how you are opening the file.
>  http://perldoc.perl.org/functions/open.html
>  Would probably be a good read.

Here's another:
	Win32::SharedFileOpen

You could also consider some sort of SQL updating of a DB which would
serialize the updates for you.
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