Re: Shortening a script, but aiming for efficiency

> 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/\|+$/ /;
-- 
Alan