How to improve code that quotes all array elements with `'` and returns a string containing all those quoted and comma-separated elements?

Question

I am using Rails 3.2.2 and I would like to quote all array elements with \' and return a string containing all those quoted and comma-separated elements. At this ti

Answer 1

I use

"'#{%w{a b c}.join("', '")}'"

Here is expanded version:

' # Starting quote
%w{a b c}.join("', '") # Join array with ', ' delimiter that would give a', 'b', 'c
' # Closing quote