unlink() problem

[Robinow, David]

> From: John Wiersba [ mailto:John.Wiersba@medstat.com ]
> Subject: RE: unlink() problem
> Thanks for your reply, Larry.  Unfortunately, this is a bad bug since the
> simple perl script below removes the original file (whoops!) since it
> assumes that if you have permission to unlink the original file, then you
> have permission to create a new file of the same name (I believe this is
> always true on unix).  The net result is that you lose your data.
> 
> I can't think of anyway around it except to know that you can't do inplace
> editing on cygwin.
> 
> -- John Wiersba
 
> > >$ touch asdf
> > >$ perl -i -pe 1 asdf
> > >Can't do inplace edit on asdf: Permission denied.
 But using ActiveState perl,

      D:\home>perl -i -pe 1 asdf
      Can't do inplace edit without backup.
 
 and the file's not clobbered.
 Time to look at the perl source code.

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