From: wy1234@... (WY1234)
Date: 2000-12-04T13:40:01+09:00
Subject: [ruby-talk:6791] Re: using join()

i = j = 2
[ i, j].join(":")
print a

The book gives two examples:

[ "a", "b", "c"].join        ->   "abc"
[ "a", "b", "c"].join("-")   ->   "a-b-c"