How to align ruby string to left or right?

ruby, string

Solution

"Name".ljust(19)
"Name".rjust(19)

Problem

I have few ruby strings, which I want to align left and right appropriately. I'm now using `"Name".center(20, " ")` to get `"(7 spaces)Name(8 spaces)"` How can I achieve `"Name(15 spaces)"` or `"(15 spaces)Name"` Thanks.

Original source