Tom, John,

could you explain in detail what the stuff in parens is about, i.e., 
'?=.*\.' ?

thanks,

tom arnall
north spit, ca




  On Wednesday 22 March 2006 12:41 pm, Tom Phoenix wrote:
> On 3/22/06, S.A. Birl <[EMAIL PROTECTED]> wrote:
> > Im looking to subtitute all but the last . into _
> >         ie: filename.jpg.pgp   --> filename_jpg.pgp
> >         ie: filename.2.jpg.pgp --> filename_2_jpg.pgp
> >         ie: file....._.jpg.pgp --> file__________.pgp
>
> There are many ways to do this; here's the first one I thought of,
> using a lookahead assertion to see that there's another dot remaining:
>
>     s/\.(?=.*\.)/_/gs
>
> Hope this helps!
>
> --Tom Phoenix
> Stonehenge Perl Training


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