Makes a 'pretty' output of a group of numbers

Method for making a 'pretty' output of a group of numbers. For example: 2,3,4,5,8,9,12,15,16 becomes 2-5,8-9,12,15-16

Usage

ppRange(r)

Arguments

r

set of integers to make 'pretty'

Value

character string of values representing 'r'

Details

ppRange