Re: Shortening a script, but aiming for efficiency

On Fri, Oct 01, 2004 at 09:23:14AM -0600, Alan Young wrote:
> > a\tb\t
> > a\t\t
> > \tb\t
> > \t\t\t
> > 
> > The output for all these should be:
> > 
> > a|b
> > a|\s
> >  |b
> >  |\s
> > 
> > This means that I could start by replacing all tabs with pipes, but then
> >  I would always have to remove the last pipe...
> > 
> > I could replace two ending pipes with "| " (second and fourth cases),
> >  but I would also have to remove a single ending pipe (first and third
> >  cases)
> 
> Then use a '+':
> 
> s/\|+$/ /;

That's not the desired behavior either.  Look at the examples above.

Ronald