On Wed, Dec 1, 2010 at 5:29 PM, jun yu <mail2fish / gmail.com> wrote:
> I have an integer number like 1111, How can I get a string like below
> by   磥 >
> "11110000"
>
> I know "%-8d" % 1111 can get "1111 .
>
>
> Thank you.
>
>

Is String#% a requirement or just your first idea?

num = 1111
p num.to_s.ljust(8,"0")

#> "11110000"




Harry