str.ljust(integer, padstr=' ') â new_str
Instance Public methods
If integer is greater than the length of str, returns a
new String of length integer with str left
justified and padded with padstr; otherwise, returns str.
"hello".ljust(4) #=> "hello"
"hello".ljust(20) #=> "hello "
"hello".ljust(20, '1234') #=> "hello123412341234123"