# File lib/ruote/storage/base.rb, line 144 def expression_wfids(opts) wfids = ids('expressions').collect { |fei| fei.split('!').last }.uniq.sort wfids = wfids.reverse if opts[:descending] skip = opts[:skip] || 0 limit = opts[:limit] || wfids.length wfids[skip, limit] end